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HomeLớp 12Toán lớp 12 - Sách Kết nối tri thứcBài tập cuối chương I. ỨNG DỤNG ĐẠO HÀM ĐỂ KHẢO SÁT VÀ VẼ ĐỒ THỊ HÀM SỐ.Bài tập cơ bản
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\" y=\"1\"><\/image> <\/g> <\/svg><\/span><\/p><p>H&agrave;m s\u1ed1 y= f(x)&nbsp;\u0111\u1ed3ng bi\u1ebfn tr&ecirc;n kho\u1ea3ng n&agrave;o sau \u0111&acirc;y?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$(3;+\\infty)$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$(1;3)$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$(-\\infty;4)$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$(0;+\\infty)$<\/span>"],"correct":"1","level":"1","hint":"<p>S\u1eed d\u1ee5ng \u0111\u1ecbnh ngh\u0129a t&iacute;nh \u0111\u01a1n \u0111i\u1ec7u c\u1ee7a h&agrave;m s\u1ed1,&nbsp;<span class=\"math-tex\">$f^\\prime(x) > 0$<\/span> th&igrave; h&agrave;m s\u1ed1 \u0111\u1ed3ng bi\u1ebfn.<\/p>","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$(3;+\\infty)$<\/span>.<\/span><\/p><p>C\u0103n c\u1ee9 v&agrave;o BBT ta th\u1ea5y: H&agrave;m s\u1ed1 y = f(x)&nbsp;\u0111\u1ed3ng bi\u1ebfn tr&ecirc;n kho\u1ea3ng&nbsp;<span class=\"math-tex\">$(3;+\\infty)$<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-08-11 02:19:29","option_type":"math","len":0},{"id":"5503","post_id":"7548","mon_id":"1159285","chapter_id":"1159288","question":"<p>Cho h&agrave;m s\u1ed1 y = f(x)&nbsp;c&oacute; \u0111\u1ed3 th\u1ecb nh\u01b0 h&igrave;nh v\u1ebd.<\/p><p><span class=\"svgedit\"><svg height=\"280\" width=\"290\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"282\" id=\"canvas_background\" width=\"292\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_5\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><g id=\"svg_8\"> <image height=\"270\" id=\"svg_1\" width=\"282\" x=\"1\" 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10f02mMMZ3qxnQaY0ynujGdxhjTqW5MpzHGdKob02ls2dz8G0qCJx7NzEtwAAAAAElFTkSuQmCC\" y=\"1\"><\/image> <rect fill=\"#fff\" height=\"24\" id=\"svg_2\" stroke=\"#ffffff\" stroke-width=\"1.5\" width=\"11\" x=\"110.5\" y=\"101.5\"><\/rect> <rect fill=\"#fff\" height=\"18\" id=\"svg_3\" stroke=\"#ffffff\" stroke-width=\"1.5\" width=\"18\" x=\"40.5\" y=\"168.5\"><\/rect> <rect fill=\"#fff\" height=\"18\" id=\"svg_4\" stroke=\"#ffffff\" stroke-width=\"1.5\" width=\"13\" x=\"184.5\" y=\"168.5\"><\/rect> <rect fill=\"#fff\" height=\"15\" id=\"svg_6\" stroke=\"#ffffff\" stroke-width=\"1.5\" width=\"13\" x=\"109.5\" y=\"257.25\"><\/rect> <rect fill=\"#fff\" height=\"14\" id=\"svg_7\" stroke=\"#ffffff\" stroke-width=\"1.5\" width=\"10\" x=\"112.5\" y=\"197.25\"><\/rect> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"106.5\" xml:space=\"preserve\" y=\"124.25\">1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"51.5\" xml:space=\"preserve\" y=\"178.25\">-1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"187.5\" xml:space=\"preserve\" y=\"174.25\">1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.5\" xml:space=\"preserve\" y=\"272.25\">-1<\/text> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> H&agrave;m s\u1ed1 \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i t\u1ea1i x = 0.","<strong>B.<\/strong> H&agrave;m s\u1ed1 \u0111\u1ea1t c\u1ef1c ti\u1ec3u t\u1ea1i x = 0.","<strong>C.<\/strong> H&agrave;m s\u1ed1 \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i t\u1ea1i x = &ndash;1.","<strong>D.<\/strong> H&agrave;m s\u1ed1 \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i t\u1ea1i x = 1."],"correct":"1","level":"1","hint":"<p>S\u1eed d\u1ee5ng \u0111\u1ecbnh ngh\u0129a.<br \/>H&agrave;m s\u1ed1 \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i t\u1ea1i \u0111i\u1ec3m m&agrave; \u0111\u1ea1o h&agrave;m \u0111\u1ed5i d\u1ea5u t\u1eeb d\u01b0\u01a1ng &ldquo;+&rdquo;sang &ldquo;-&ldquo; &acirc;m.<br \/>H&agrave;m s\u1ed1 \u0111\u1ea1t c\u1ef1c ti\u1ec3u t\u1ea1i \u0111i\u1ec3m&nbsp;<span class=\"math-tex\">$x_0$<\/span>&nbsp;m&agrave; \u0111\u1ea1o h&agrave;m \u0111\u1ed5i d\u1ea5u t\u1eeb &acirc;m &ldquo;-&ldquo; sang d\u01b0\u01a1ng &ldquo;+&rdquo;.<\/p>","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> H&agrave;m s\u1ed1 \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i t\u1ea1i x = 0.<\/span><\/p><p>C\u0103n c\u1ee9 v&agrave;o \u0111\u1ed3 th\u1ecb h&agrave;m s\u1ed1,&nbsp;ta th\u1ea5y h&agrave;m s\u1ed1 \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i t\u1ea1i x = 0.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-08-11 02:47:45","option_type":"txt","len":2},{"id":"5504","post_id":"7548","mon_id":"1159285","chapter_id":"1159288","question":"<p>\u0110\u01b0\u1eddng cong \u1edf h&igrave;nh b&ecirc;n d\u01b0\u1edbi l&agrave; \u0111\u1ed3 th\u1ecb c\u1ee7a h&agrave;m s\u1ed1&nbsp;<span class=\"math-tex\">$y=\\dfrac{ax+b}{cx+d}$<\/span>&nbsp;l&agrave; c&aacute;c s\u1ed1 th\u1ef1c. Gi&aacute; tr\u1ecb&nbsp;nh\u1ecf nh\u1ea5t c\u1ee7a h&agrave;m s\u1ed1 tr&ecirc;n \u0111o\u1ea1n&nbsp;<br \/>[&ndash;1;0]&nbsp;l&agrave;<\/p><p><span class=\"svgedit\"><svg height=\"275\" width=\"320\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"277\" id=\"canvas_background\" width=\"322\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_9\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><g id=\"svg_4\"> <image height=\"271.00001\" id=\"svg_1\" width=\"319\" x=\"0.00001\" 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<text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"14\" font-weight=\"bold\" id=\"svg_8\" stroke=\"#ffffff\" stroke-width=\"0\" text-anchor=\"start\" x=\"95.5\" xml:space=\"preserve\" y=\"184\">_<\/text> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> 1","<strong>B.<\/strong> 2","<strong>C.<\/strong> 0","<strong>D.<\/strong> &ndash;1"],"correct":"4","level":"1","hint":"<p>S\u1eed d\u1ee5ng \u0111\u1ecbnh ngh\u0129a GTLN,GTNN c\u1ee7a h&agrave;m s\u1ed1.<\/p>","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong> &ndash;1.<\/span><br \/>C\u0103n c\u1ee9 v&agrave;o \u0111\u1ed3 th\u1ecb h&agrave;m s\u1ed1&nbsp;ta th\u1ea5y: Gi&aacute; tr\u1ecb nh\u1ecf nh\u1ea5t c\u1ee7a h&agrave;m s\u1ed1 tr&ecirc;n \u0111o\u1ea1n [&ndash;1 ; 0] l&agrave;&nbsp;&ndash;1.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-08-11 02:56:00","option_type":"txt","len":1}]}
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