名校
1 . 已知函数
.
(1)当
时,讨论函数
的单调性;
(2)若不等式
恒成立,求
的取值范围;
(3)在(1)的条件下,设
,
,且
.求证:当
,且
时,不等式
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e7bafcc08b76256e0ec491fb36f712.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6ea20aa7804cb6e41322bc3d8dc99b.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810e8fa5cf17ae94a41803772c488726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)在(1)的条件下,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf2a234b8102356b2c13a3c0b75a00e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c0c165afc6ed30f0d41808f8442f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5922c1719da2520a49b75db30ab0c276.png)
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名校
2 . 已知
,函数
,
.
(1)若函数
的最小值是0,求实数m的值;
(2)已知曲线
在点
处切线的纵截距为正数.
(ⅰ)证明:函数
恰有两个零点;
(ⅱ)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a68e9852ea3d8e348d284d6df9ca68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a25dcb67d1cb242a60f4fb8f3468a1.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(ⅰ)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(ⅱ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc250d99a55c62b89da6ad253978515.png)
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解题方法
3 . 已知函数
.
(1)当
时,试求函数图象在点
处的切线方程;
(2)若函数
有两个极值点
、
;
(ⅰ)求a的取值范围;
(ⅱ)不等式
恒成立,试求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cdcd099fd8cc0a68212f70af3d9fedc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
(ⅰ)求a的取值范围;
(ⅱ)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f9fa86fe5015298d7ef9f51cc31207.png)
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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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5 . 已知
,函数
,
.
(1)若函数
的减区间是
,求
的值;
(2)讨论
的单调性;
(3)若方程
在
上恰有两个不同的解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344a6479c49871869bdb66f1d84bbaac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c34722c135157f1e3385d2393250d7.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5548c101f84334ab651fd7139e324f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa3a50b913a556376d974e6f6244e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2ec965488c7e1cea085463c7731285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
6 . 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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7 . 已知函数
,(
为自然对数的底数).
(1)求曲线
在
处的切线方程
(2)若不等式
对任意
恒成立,求实数
的最大值;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8294bb352cef50b3a8961fcf0474aa6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e69e0bad37111c1169746941ac1f833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47dd5fc03cf0d593fcf67b5d18d1c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f2416d1f75a45a314331146550832e.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bac345bdfae4f716fde3946ed3708c2.png)
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名校
8 . 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
9 . 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
10 . 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
|
409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