解题方法
1 . 已知
,函数
.
(1)当
时,求函数
的定义域;
(2)若关于
的方程
的解集中有且只有一个元素,求实数
的取值范围;
(3)设
,若
,使得函数
在区间
上的最大值与最小值的差不超过1,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c76ef2d9b6ad8530682811ada6c1e4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a19f229fae6b755b76bdacf200c4d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1326beb4653dd170d1d7878e351598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8682c07954e4ba88e5766b1e005f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
2 . 已知
,则a,b,c的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b089e266da45ed9d9d0cb435b09a66ae.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 定义:
表示
的解集中整数的个数.若
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095060d45924977127b6438d9490ad6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e312eca38032174f9739126b81d012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713e9efa35bd9d54d20fd8b63b186108.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b40588d568a5823159fcc9819bdc568.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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名校
4 . 已知
,
.
(1)若
,求
的取值范围;
(2)若函数
恰有两个零点,求实数a的取值范围;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b39c5d66018f0736a0457961c91e1c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a1141aa62d95fc3b75e3d6833aaaf0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a3f237b03aaa5f0fb96e572706349c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732a3c49d8680218bdcc2f39f2b4f601.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08180ea9d4238fd449255a0b47f3bb2f.png)
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名校
5 . 已知
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa9461e30578a920546141b81eabe16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-26更新
|
1143次组卷
|
3卷引用:湖南省邵阳市2024届高三第一次联考数学试题
名校
6 . 已知函数
.
(1)当
时,解不等式
;
(2)若
的最大值是
,求
的值;
(3)已知
,
,当
的定义域为
时,
的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd65aaa98f9141948893315ce9aafa3a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffbb4e6b92463a41bd9460dac6b1ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa0c204bd6bc0fa0ab5d41b6e738971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2卷引用:广西桂林市2023-2024学年度高一上学期数学期末质量检测
名校
7 . 已知函数
.
(1)若
在
有零点,求实数
的取值范围;
(2)记
的零点为
,
的零点为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08caca2d2e2d977af8775485627236a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca601ad89042070268c1100eaecccc66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6933f800885681d974f3b1b4575055.png)
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|
408次组卷
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3卷引用:浙江省温州市2023-2024学年高一上学期期末教学质量统一检测数学试题(A卷)
浙江省温州市2023-2024学年高一上学期期末教学质量统一检测数学试题(A卷)(已下线)专题1.8 导数的零点问题(强化训练)-2023-2024学年高二数学下学期重难点突破及混淆易错规避(人教A版2019)辽宁省抚顺市第一中学2024学年高一下学期尖子班4月月考数学题
解题方法
8 . 已知函数
,
,定义函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec09e7ab26188617083f3b467231250.png)
(1)设函数
,
,求函数
的值域;
(2)设函数
(
,
为实常数),![](https://staticzujuan.xkw.com/quesimg/Upload/formula/445f5ea3b5f3ccc852c66a4b27d3b95f.png)
,当
时,恒有
,求实常数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70458945dae62f8f6a553dfaa8eb723a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b40b099989abb2d15ddf60413c8a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec09e7ab26188617083f3b467231250.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed94bc7970736b3f07ac833b851a751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3027ab2bb54feb0d186d776b27d500b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6d073f26c136e2d862e11a8494c3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22af653d3aa1a75dc6de30a1cfb6cea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/445f5ea3b5f3ccc852c66a4b27d3b95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07180028d2769a3fb9735853912d4a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22af653d3aa1a75dc6de30a1cfb6cea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8c97a77335a5dc082b1e99154eee37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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解题方法
9 . 已知函数
.
(1)若函数
,且
是增函数,求实数
的取值范围;
(2)若对任意的正数
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48521dad7bd76318537864ff0600e19d.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04aeccb04416ef1eea7c05ab59d10b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89eea593c79973e97f6f3cdf621cdfc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若对任意的正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10e2d6ef9ef981a5a3cd7608cb8e8ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 已知
,则下列正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9080f3a6d613d1f116406e66d5dde87f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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