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1 . 已知函数
(
).
(1)当
时,求
在
处的切线方程;
(2)讨论
在区间
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021525458031236c4d9b585c48ac2ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45895410f2b24085e0b2c0ef4e3972d7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/779c078e850ff40330d7b3b98a402dd2.png)
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2 . 设函数
.
(1)若
,求
在
处的切线方程
(2)若
,
,求
的取值范围
(3)若对任意的
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6daaf7811f4d7a65b9d922bf8dd518bf.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045748e3e58bfc29cf00ea0b80d2d56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92119b7b7c059a7e9ad0489329a51c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec72ca557aa4229ee871628ffcf0d8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2033d35911865ead85db01936a3b37a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 在同一平面直角坐标系内,函数
及其导函数
的图象如图所示,已知两图象有且仅有一个公共点,其坐标为
,那么下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851c68ef2e0703706f3b528daa902eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4772c835cbe626040ecc4df30e6f0ccc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 已知函数
,下列命题不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6a22797c8f01b9c05925440c6151f0.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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解题方法
5 . 已知
,
,使得
成立,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0919c2dfa75ecc2b69102c445073eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911d77a96eed2aeccab27c4c59d357d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8c626afbc95213849e8f122d9b1a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知函数
,
.
(1)若
,求
的最大值;
(2)若函数
,当
时,讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e809e64e1ce894b194d4406c7e781604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8bc2441a9c398d1d65419e51c08a8f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae018fde08edf0539089f98c17e11ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
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名校
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae513508975ebc620241c4f624e7669.png)
的图像在
处的切线斜率为
,且
时,
有极值.则
在
上的最大值和最小值之和为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae513508975ebc620241c4f624e7669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f0ab17df4c09a0443e6a4633041cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5c4c4e50a0a67ce5fa0e422d2eb4ef.png)
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解题方法
8 . 已知函数
,若
,
,则实数k的最大值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/445cf059904978fbd30c298b6037907a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2939abf9f1755ea304eeb1e73063cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6700237e42df2f85392e4244ba0302.png)
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2024-04-12更新
|
410次组卷
|
3卷引用:天津市静海区第一中学2023-2024学年高二下学期3月学生学业能力调研数学试卷
名校
解题方法
9 . 已知函数
,
,当
时,不等式
恒成立,则实数
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5fd63f454d4e6038ba69aaa1722b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bb58d8337b53ffcc78220756ea6b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684bcf84f0a266515bfafde0da903050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ccac5bbf301d19a0390c310a6b8079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
10 . 已知函数
.
(1)求函数
在点
处的切线方程;
(2)求函数
的最小值;
(3)函数
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e426f7804ba33a506c8645404cdb95c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d06e33d079ac1649ee5eea8f61de7cf.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6289962049a906dde1d22ecfc989813c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfd640a0bc9642cfecddaab6d593a10.png)
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