1 . 已知函数
,
为
的极值点.
(1)求a;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20bc7f7a24e5a4c7151627d8eb2ad4e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求a;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e36ea2517f31e527310c6890a61f73b5.png)
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2024高三下·全国·专题练习
解题方法
2 . 设
,当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10318825d0a61126df5ff84242e2bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfb67d216df8f78c8f8da055067edaa.png)
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解题方法
3 . 已知函数
.
(1)求函数
的单调区间;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a98e4a072560057d092b890d91d468.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3481ca0d870226d8d477731979525937.png)
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2024高三·全国·专题练习
解题方法
4 . 已知函数
有且只有一个零点,其中
.
(1)求
的值;
(2)若对任意的
,有
成立,求实数
的最大值;
(3)设
,对任意
,证明:不等式
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe8a2abd468ca0b14446e01260a5885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264e54b81230f39733dcc4f39cf31c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c68cb2b26e0e33275340803f5f1d3e38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f1421b449c9e39d29e4df4828eeaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab8fd1608c6f986916010604c6f6101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7f3a18247aa6bf9e0febd1032c3306.png)
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名校
解题方法
5 . 对于函数
和
,设
,若存在
使得
,则称
和
互为“零点相邻函数”.设
,
,且
和
互为“零点相邻函数”.
(1)求
的取值范围;
(2)令
(
为
的导函数),分析
与
是否互为“零点相邻函数”;
(3)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1f6dc102cde1ad73261dd011fe2d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c5d913c7b5aaf5a3ed0054e6b4647c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22ec92162aa1b78e8768e5fa0294f41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6caa47b05ebbf9816c4e6f159c740f0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b4b7fddfba71bb09e7e5ab7f1a2f213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34937ab7546361c8bb4873a164ced32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28789ca506fc253b4019f92998e14094.png)
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名校
解题方法
6 . 已知函数
,
.
(1)求
的最小值
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c9a53aeb082e56113dcbb139e27718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afffd74b247abaa10d567910b9898b4.png)
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今日更新
|
150次组卷
|
3卷引用:云南省昆明市第一中学2024届高三第十次考前适应性训练数学试卷
名校
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5edbbc3f9dcc564f13325250a361235.png)
(1)求曲线
在点
处的切线方程;
(2)求证:函数
的图象位于直线
的下方;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5edbbc3f9dcc564f13325250a361235.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
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名校
8 . 已知函数
.
(1)讨论
的单调性;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a959bf5cfa2463fd68347ea79e8b65b1.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d24c3f2ed4a82c3f7245aee6bfe1d4f5.png)
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9 . 已知函数
.
(1)若
,求
在点
处的切线方程,并求函数的单调区间:
(2)若
在定义域
上的值域是
的子集,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef13030c733ca84463af61776fd01e5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f909328384f9c52134243753d9c954ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f909328384f9c52134243753d9c954ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 已知函数
.
(1)当
时,求函数
在区间
上零点的个数;
(2)若
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0be43c6546fa793eb3b1b3eacb682e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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