名校
解题方法
1 . 已知函数
,
.(注:
是自然对数的底数)
(1)若
无极值点,求实数
的取值范围;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c33ef652f63f1b43282aedbf71311e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f7f23e7f20dd8bc65a4967cd306782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797bbd18359c9a29842b39109b3a0aac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a01be1031ca8543348a8dddc833db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 设函数
,直线
是曲线
在点
处的切线.
(1)当
时,求
的单调区间.
(2)求证:
不经过点
.
(3)当
时,设点
,
,
,
为
与
轴的交点,
与
分别表示
与
的面积.是否存在点
使得
成立?若存在,这样的点
有几个?
(参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417cb4681ede2fc845d8214e48b41bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0a205f3a39c7dcad9411c5d801f9a9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32832923ae26bd414843e4ca870d1c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abf9984cf7923373be05bbb2dfe41f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3998987160c168c3fc50cb2db66211f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c557708bf41b5fd4dbb8f04278e8a824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d166e13302046b25a2fa36af1e72f7a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f0f038ebe04ea9441bd5eedf069806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea05b8641371b1d221d9b4143ef3b37d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e02569631057452e44347c1b8bcce37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e0d1953b7e72fac5593b4d7477b688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f07d589cd4bf0d4beb4c9f28bd2587.png)
您最近一年使用:0次
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7卷引用:2024年北京高考数学真题
2024年北京高考数学真题专题03导数及其应用(已下线)2024年北京高考数学真题变式题16-21专题13导数及其应用(已下线)五年北京专题09导数及其应用(已下线)三年北京专题09导数及其应用(已下线)第01讲 导数的概念及其意义、导数的运算(十二大题型)(练习)-2
解题方法
3 . 已知函数
.
(1)
时,求
的零点个数;
(2)若
恒成立,求实数
的最大值;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf8a50553b1b9040eb5fd8149602f0b.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3c2be7482719651bcf491949681e05.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7c3a84d5c3ab338a6b95d1e4a7ce8a.png)
您最近一年使用:0次
4 . 对于函数
,若存在实数
,使
,其中
,则称
为“可移
倒数函”,
为“
的可移
倒数点”.设
,若函数
恰有3个“可移1倒数点”,则
的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a9d2955a061200043e15bbe1e912c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fbecca12ee62538020483fd55a2109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc221f5c1f3a4ece732bc96398d2d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
真题
解题方法
5 . 设函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1c1eb55d7120d8a58c14cb5c42b96b.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.存在a,b,使得![]() ![]() |
D.存在a,使得点![]() ![]() |
您最近一年使用:0次
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|
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8卷引用:2024年新课标全国Ⅱ卷数学真题
2024年新课标全国Ⅱ卷数学真题(已下线)2024年高考数学真题完全解读(新高考Ⅱ卷)专题03导数及其应用(已下线)2024年新课标全国Ⅱ卷数学真题变式题11-15(已下线)五年新高考专题09导数及其应用(已下线)三年新高考专题09导数及其应用(已下线)第03讲 导数与函数的极值、最值(七大题型)(讲义)(已下线)高二数学期末模拟试卷01【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(北师大版2019选择性必修第二册)
名校
6 . 用数学的眼光看世界就能发现很多数学之“美”.现代建筑讲究线条感,曲线之美让人称奇,衡量曲线弯曲程度的重要指标是曲率,曲线的曲率定义如下:若
是
的导函数,
是
的导函数,则曲线
在点
处的曲率
.
在
处的曲率
的平方;
(2)求余弦曲线
曲率
的最大值;
(3)余弦曲线
,若
,判断
在区间
上零点的个数,并写出证明过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bac50c92211d6348b056335f6c83ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e669b77945df783df093b549ac2a67d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bdb811e83e6f94b20dfa3ab68b1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391039b1ebf01aa7def8a44c97ea05b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9311b13eb2baab6641da9e7b48e13e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e029cc1f7d07eeb136bd3946a7eb23e3.png)
(2)求余弦曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832d87f3c6bd439ef3d84a6c6da3642e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32410867843f1a7ef11410da8f3f8dab.png)
(3)余弦曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832d87f3c6bd439ef3d84a6c6da3642e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbffb683ddd3767c5ebd35ac9212f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877e6c30566e9d9b11ecf5b78f4c5e73.png)
您最近一年使用:0次
7 . 已知函数
.
(1)当
时,求函数
在
处的切线方程;
(2)若函数至多一个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c107523e11ad70647d2494e82cd5fd1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若函数至多一个零点,求a的取值范围.
您最近一年使用:0次
8 . 已知函数
,
.
(1)讨论
的单调性;
(2)若
有两个零点,求实数
的取值范围;
(3)若
对任意的
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eaa6d55cdb24cff59f22f8a09b27160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026d50aeb347823e800aa11442b80331.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780876acd6f251de9b8510f4def91b5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
7日内更新
|
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4卷引用:山东省菏泽第一中学八一路校区2024届高三5月月考数学试题
名校
9 . 已知函数
,下面命题正确的是_________ .
①存在
,使得
;
②存在
,使得
;
③存在常数
,使得
恒成立;
④存在
,使得直线
与曲线
有无穷多个公共点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3d74bc831a959f5d2a2b016548eba0.png)
①存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5af267764227a538f13953d06341c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1260c6fa15a4d739a41c5de1533e9e5c.png)
②存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81faf6ab77580b3d89b6aa1d802f84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee798d2d512f7342c55a0d580f4367e2.png)
③存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c46385268d3081043e04f4401b7973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf322b61457bd0bd7484b4349f537e6.png)
④存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
您最近一年使用:0次
10 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
恰有三个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a3e1d9f785f24c0c39d74dbdb769d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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5卷引用:广东省深圳市光明区高级中学2023-2024学年高三下学期5月模拟考试数学试题
广东省深圳市光明区高级中学2023-2024学年高三下学期5月模拟考试数学试题陕西省商洛市柞水中学2024届高三下学期高考模拟预测文科数学试题黑龙江省部分学校2023-2024学年高三第三次模拟数学试题广东省深圳市光明区光明中学2023-2024学年高二下学期期中考试数学试题(已下线)专题09 导数与零点、不等式综合常考题型归类--高二期末考点大串讲(人教B版2019选择性必修第三册)