名校
1 . 已知函数
,
.
(1)讨论
的单调性;
(2)是否存在
,
,使得函数
在区间
的最小值为
且最大值为
?若存在,求出
,
的所有值;若不存在,请说明理由.
参考数据:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c79b1e56cc56814723387e2864ca57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b7cfcc147916ae7eeb5d557fea945e.png)
您最近一年使用:0次
名校
2 . 已知函数
.
(1)当
时,讨论导函数
的零点个数;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b6ecd3a062068eb3bf806c09038f15.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606ef9cb8c9c4f61ab2acc4c11fec693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994bbcf39f4dda34e877b21af71f103.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77c72e9c0df6ec7e1fcbaa9cbe11e47.png)
您最近一年使用:0次
2019-06-19更新
|
402次组卷
|
3卷引用:云南省昆明市第一中学2019届高三第八次考前适应性训练数学(理)试题
3 . 已知函数
(
且
).
(1)讨论
的单调性;
(2)设
,若对任意
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aefad2e1de4d382c8278415f4040f8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a85c3f63c82c8090d7e00ef067167a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ed9438ae4a904513246620ab76403d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
4 . 已知函数
在点
处切线的斜率为1.
(1)求
的值;
(2)设
,若对任意
,都有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8a3b1f88f8c8af98f65ea60bf0fff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71fa499272da566a7420dcaa8b537546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf29294af688b6459d7ce292f86e9ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-04-08更新
|
1005次组卷
|
3卷引用:【市级联考】云南省昆明市2019届高三复习教学质量检测理科数学试题
名校
5 . 设
,函数
,函数
.
(1)当
时,求函数
的零点个数;
(2)若函数
与函数
的图象分别位于直线
的两侧,求
的取值集合
;
(3)对于
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b44ce1f38097acac14cd28b5dc07fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481387a2b1fe6a156fd700e16699b018.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/159a1d70bdedbf64deeef511edaef46d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6bc9a5068aea5464bf7ad68512d83dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e05dc974158a2baefe30c28cb81fdc9.png)
您最近一年使用:0次
2018-08-01更新
|
829次组卷
|
4卷引用:云南省昆明市第一中学2021届高三第八次考前适应性训练数学(理)试题
6 . 已知函数
,
.
(1)若曲线
的切线
经过点
,求
的方程;
(2)若方程
有两个不相等的实数根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aebf798213615bbf6b7911fb0667745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e2512fa0dd8a511729929e2a69ad6e.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49756172230de326c6b84e89bcf0eae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc154a401be4ce83bc265d130365744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2018-05-14更新
|
1176次组卷
|
2卷引用:【全国市级联考】云南省昆明市2018届高三5月适应性检测数学文试题
名校
7 . 已知函数
.
(Ⅰ)当
时,若函数
存在零点,求实数
的取值范围;
(Ⅱ)若
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6693076410cb255a1dc32b571481e22d.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6d5e85222ac3950da7d27a5d79fb40.png)
您最近一年使用:0次
2017-05-27更新
|
1240次组卷
|
3卷引用:云南省昆明市2017届高三5月复习适应性检测数学(理)试题
8 . 已知函数
,曲线
在点
处的切线方程为
.
(1)求实数
的值及函数
的单调区间;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae1afcf1e5ebcd35675f9b893edf6536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2072fe5a3f23ac574dde4f0abb2fd5e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1683713f83edf52c353e58554861ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af4fafaf72f1e99e6e8040366a61472.png)
您最近一年使用:0次