Hàm số - Bài tập nâng cao

Home Lớp 10 Toán lớp 10 - Sách Kết nối tri thức Bài 15. Hàm sốBài tập nâng cao

{"common":{"save":0,"post_id":"6182","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5391","mon_id":"1158767","chapter_id":"1158801","post_id":"6182","question":"M\u1ed9t hàm s\u1ed1 \u0111\u01b0\u1ee3c cho b\u1eb1ng b\u1ea3ng nh\u01b0 sau, bi\u1ebft \u0111\u1ea1i l\u01b0\u1ee3ng y là hàm s\u1ed1 c\u1ee7a \u0111\u1ea1i l\u01b0\u1ee3ng x.<\/p><svg height=\"100\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"102\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_55\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"3.0125\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"3.0125\" y=\"46.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"46.28929\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"46.28929\" y=\"46.2375\"><\/rect> <g id=\"svg_10\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"89.56607\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"89.56607\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_13\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"132.84285\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"132.84285\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_22\" stroke=\"null\"> <g id=\"svg_18\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"177.28928\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"177.28928\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_21\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"220.56606\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"220.56606\" y=\"46.2375\"><\/rect> <\/g> <\/g> <g id=\"svg_25\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"263.84285\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_24\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"263.84285\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_28\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_26\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"307.11963\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"307.11963\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_33\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_31\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"351.56606\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_32\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"351.56606\" y=\"46.2375\"><\/rect> <\/g> <text fill=\"#ff0000\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" font-style=\"italic\" id=\"svg_35\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"15.0125\" xml:space=\"preserve\" y=\"34.2375\">x<\/text> <text fill=\"#ff0000\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" font-style=\"italic\" id=\"svg_36\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"15.0125\" xml:space=\"preserve\" y=\"75.2375\">y<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_37\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"61.0125\" xml:space=\"preserve\" y=\"37.2375\">3<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_38\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"61.0125\" xml:space=\"preserve\" y=\"82.2375\">2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_39\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.0125\" xml:space=\"preserve\" y=\"81.2375\">3<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_40\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.0125\" xml:space=\"preserve\" y=\"37.2375\">4<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_41\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"148.0125\" xml:space=\"preserve\" y=\"38.2375\">5<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_42\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"148.0125\" xml:space=\"preserve\" y=\"81.2375\">7<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_43\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"186.0125\" xml:space=\"preserve\" y=\"81.2375\">14<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_44\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"192.0125\" xml:space=\"preserve\" y=\"38.2375\">6<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_45\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"278.0125\" xml:space=\"preserve\" y=\"38.2375\">8<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_46\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"321.0125\" xml:space=\"preserve\" y=\"38.2375\">9<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_47\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"361.0125\" xml:space=\"preserve\" y=\"37.2375\">10<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_48\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"368.0125\" xml:space=\"preserve\" y=\"82.2375\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_49\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"323.0125\" xml:space=\"preserve\" y=\"81.2375\">4<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_50\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"279.0125\" xml:space=\"preserve\" y=\"83.2375\">5<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_51\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"236.0125\" xml:space=\"preserve\" y=\"81.2375\">6<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_52\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"236.0125\" xml:space=\"preserve\" y=\"39.2375\">7<\/text> <\/g> <\/g> <\/svg><\/span><\/p>Tìm t\u1eadp xác \u0111\u1ecbnh c\u1ee7a hàm s\u1ed1.<\/p>","options":["A.<\/strong> $D=\\{4;5;6;7;8;9;10\\}$<\/span>","B.<\/strong> $D=\\{3;4;5;6;7;8;9;10\\}$<\/span>","C.<\/strong> $D=\\{1;2;3;4;5;6;7;14\\}$<\/span>","D.<\/strong> $D=\\{1;2;3;4;5;6;7;8\\}$<\/span>"],"correct":"2","level":"3","hint":"T\u1eadp xác \u0111\u1ecbnh c\u1ee7a hàm s\u1ed1 là t\u1eadp các giá tr\u1ecb c\u1ee7a x.<\/p>","answer":"D\u1ef1a vào b\u1ea3ng ta th\u1ea5y $x\\in\\{3;4;5;6;7;8;9;10\\}$<\/span><\/p>V\u1eady t\u1eadp xác \u0111\u1ecbnh c\u1ee7a hàm s\u1ed1 là B.<\/strong> $D=\\{3;4;5;6;7;8;9;10\\}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2022-09-04 04:21:34","option_type":"math","len":0},{"id":"5392","mon_id":"1158767","chapter_id":"1158801","post_id":"6182","question":"M\u1ed9t hàm s\u1ed1 \u0111\u01b0\u1ee3c cho b\u1eb1ng b\u1ea3ng nh\u01b0 sau, bi\u1ebft \u0111\u1ea1i l\u01b0\u1ee3ng y là hàm s\u1ed1 c\u1ee7a \u0111\u1ea1i l\u01b0\u1ee3ng x.<\/p><svg height=\"100\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"102\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_55\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"3.0125\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"3.0125\" y=\"46.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"46.28929\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"46.28929\" y=\"46.2375\"><\/rect> <g id=\"svg_10\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"89.56607\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"89.56607\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_13\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"132.84285\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"132.84285\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_22\" stroke=\"null\"> <g id=\"svg_18\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"177.28928\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"177.28928\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_21\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"220.56606\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"220.56606\" y=\"46.2375\"><\/rect> <\/g> <\/g> <g id=\"svg_25\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"263.84285\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_24\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"263.84285\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_28\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_26\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"307.11963\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"307.11963\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_33\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_31\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"351.56606\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_32\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"351.56606\" y=\"46.2375\"><\/rect> <\/g> <text fill=\"#ff0000\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" font-style=\"italic\" id=\"svg_35\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"15.0125\" xml:space=\"preserve\" y=\"34.2375\">x<\/text> <text fill=\"#ff0000\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" font-style=\"italic\" id=\"svg_36\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"15.0125\" xml:space=\"preserve\" y=\"75.2375\">y<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_37\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"61.0125\" xml:space=\"preserve\" y=\"37.2375\">3<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_38\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"61.0125\" xml:space=\"preserve\" y=\"82.2375\">2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_39\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.0125\" xml:space=\"preserve\" y=\"81.2375\">3<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_40\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.0125\" xml:space=\"preserve\" y=\"37.2375\">4<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_41\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"148.0125\" xml:space=\"preserve\" y=\"38.2375\">5<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_42\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"148.0125\" xml:space=\"preserve\" y=\"81.2375\">7<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_43\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"186.0125\" xml:space=\"preserve\" y=\"81.2375\">14<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_44\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"192.0125\" xml:space=\"preserve\" y=\"38.2375\">6<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_45\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"278.0125\" xml:space=\"preserve\" y=\"38.2375\">8<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_46\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"321.0125\" xml:space=\"preserve\" y=\"38.2375\">9<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_47\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"361.0125\" xml:space=\"preserve\" y=\"37.2375\">10<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_48\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"368.0125\" xml:space=\"preserve\" y=\"82.2375\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_49\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"323.0125\" xml:space=\"preserve\" y=\"81.2375\">4<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_50\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"279.0125\" xml:space=\"preserve\" y=\"83.2375\">5<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_51\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"236.0125\" xml:space=\"preserve\" y=\"81.2375\">6<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_52\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"236.0125\" xml:space=\"preserve\" y=\"39.2375\">7<\/text> <\/g> <\/g> <\/svg><\/span><\/p>Tìm giá tr\u1ecb t\u01b0\u01a1ng \u1ee9ng c\u1ee7a y khi x = 6.<\/p>","options":["A.<\/strong> y = 7","B.<\/strong> y = 2","C.<\/strong> y = 14","D.<\/strong> y = 1"],"correct":"3","level":"3","hint":"","answer":"D\u1ef1a vào b\u1ea3ng ta th\u1ea5y khi x = 6 thì y = 14.<\/p>\u0110áp án là C.<\/strong> y = 14<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2022-09-04 04:24:28","option_type":"txt","len":0},{"id":"5393","mon_id":"1158767","chapter_id":"1158801","post_id":"6182","question":"M\u1ed9t hàm s\u1ed1 \u0111\u01b0\u1ee3c cho b\u1eb1ng b\u1ea3ng nh\u01b0 sau, bi\u1ebft \u0111\u1ea1i l\u01b0\u1ee3ng y là hàm s\u1ed1 c\u1ee7a \u0111\u1ea1i l\u01b0\u1ee3ng x.<\/p><svg height=\"100\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"102\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_55\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"3.0125\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"3.0125\" y=\"46.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"46.28929\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"46.28929\" y=\"46.2375\"><\/rect> <g id=\"svg_10\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"89.56607\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"89.56607\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_13\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"132.84285\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"132.84285\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_22\" stroke=\"null\"> <g id=\"svg_18\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"177.28928\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"177.28928\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_21\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"220.56606\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"220.56606\" y=\"46.2375\"><\/rect> <\/g> <\/g> <g id=\"svg_25\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"263.84285\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_24\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"263.84285\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_28\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_26\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"307.11963\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"307.11963\" y=\"46.2375\"><\/rect> <\/g> <g id=\"svg_33\" stroke=\"null\"> <rect fill=\"#fff\" height=\"43\" id=\"svg_31\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"351.56606\" y=\"3.2375\"><\/rect> <rect fill=\"#fff\" height=\"43\" id=\"svg_32\" stroke=\"#000\" stroke-width=\"1.5\" width=\"44.44643\" x=\"351.56606\" y=\"46.2375\"><\/rect> <\/g> <text fill=\"#ff0000\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" font-style=\"italic\" id=\"svg_35\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"15.0125\" xml:space=\"preserve\" y=\"34.2375\">x<\/text> <text fill=\"#ff0000\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" font-style=\"italic\" id=\"svg_36\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"15.0125\" xml:space=\"preserve\" y=\"75.2375\">y<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_37\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"61.0125\" xml:space=\"preserve\" y=\"37.2375\">3<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_38\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"61.0125\" xml:space=\"preserve\" y=\"82.2375\">2<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_39\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.0125\" xml:space=\"preserve\" y=\"81.2375\">3<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_40\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.0125\" xml:space=\"preserve\" y=\"37.2375\">4<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_41\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"148.0125\" xml:space=\"preserve\" y=\"38.2375\">5<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_42\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"148.0125\" xml:space=\"preserve\" y=\"81.2375\">7<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_43\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"186.0125\" xml:space=\"preserve\" y=\"81.2375\">14<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_44\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"192.0125\" xml:space=\"preserve\" y=\"38.2375\">6<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_45\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"278.0125\" xml:space=\"preserve\" y=\"38.2375\">8<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_46\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"321.0125\" xml:space=\"preserve\" y=\"38.2375\">9<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_47\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"361.0125\" xml:space=\"preserve\" y=\"37.2375\">10<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_48\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"368.0125\" xml:space=\"preserve\" y=\"82.2375\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_49\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"323.0125\" xml:space=\"preserve\" y=\"81.2375\">4<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_50\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"279.0125\" xml:space=\"preserve\" y=\"83.2375\">5<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_51\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"236.0125\" xml:space=\"preserve\" y=\"81.2375\">6<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_52\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"236.0125\" xml:space=\"preserve\" y=\"39.2375\">7<\/text> <\/g> <\/g> <\/svg><\/span><\/p>Tìm t\u1eadp giá tr\u1ecb c\u1ee7a hàm s\u1ed1.<\/p>","options":["A.<\/strong> {4; 5; 6; 7; 8; 9; 10}","B.<\/strong> {3; 4; 5; 6; 7; 8; 9; 10}","C.<\/strong> {1; 2; 3; 4; 5; 6; 7; 14}","D.<\/strong> {1; 2; 3; 4; 5; 6; 7; 8}"],"correct":"3","level":"3","hint":"T\u1eadp giá tr\u1ecb c\u1ee7a hàm s\u1ed1 là t\u1eadp các giá tr\u1ecb c\u1ee7a y nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>","answer":"D\u1ef1a vào b\u1ea3ng ta th\u1ea5y $y\u2208\\{1; 2; 3; 4; 5; 6; 7; 14\\}$<\/span><\/p>V\u1eady t\u1eadp giá tr\u1ecb c\u1ee7a hàm s\u1ed1 là C.<\/strong> {1; 2; 3; 4; 5; 6; 7; 14}<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2022-09-04 04:30:47","option_type":"txt","len":2}]}