名校
解题方法
1 . 已知函数
.
(1)若函数
在
上为单调函数,求
的取值范围;
(2)已知
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a862395a599baca80adeb28d029673a.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2ec965488c7e1cea085463c7731285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2798e0f1e07762b14ee08df80dbfbc29.png)
您最近一年使用:0次
2020-12-07更新
|
679次组卷
|
3卷引用:四川省资阳市2021届高三第一次诊断性考试文科数学试题
四川省资阳市2021届高三第一次诊断性考试文科数学试题(已下线)专题04 利用导数证明不等式 第一篇 热点、难点突破篇(练)- 2021年高考二轮复习讲练测(浙江专用)四川省广安代市中学校2020-2021学年高三下学期第一次月考数学(文)试题
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dff05b0a05b58180cdf020ba55eaf0.png)
(1)若
在定义域内单调递增,求
的取值范围;
(2)若存在
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dff05b0a05b58180cdf020ba55eaf0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6cf94a58e714ed5c8de2591020c1b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2367b48e8f6dbbfe3dd14f6eab8238a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-01-04更新
|
447次组卷
|
5卷引用:陕西省安康市2021届高三下学期第二次教学质量联考文科数学试题
陕西省安康市2021届高三下学期第二次教学质量联考文科数学试题(已下线)专题04 利用导数研究函数有解问题-【解题思路培养】2022年高考数学一轮复习解答题拿分秘籍 (全国通用版)河南省2020-2021学年高三上学期质量检测(五)数学(理科)试题沪教版(2020) 选修第二册 单元训练 第5章 导数及其应用 单元测试(B卷)(已下线)第5章 导数及其应用【单元提升卷】-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)
名校
3 . 已知函数
(
).
(1)求
的单调区间;
(2)若
在
上单调递增,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1debf28a0a19a57212627cac55f524ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
您最近一年使用:0次
2020-03-10更新
|
637次组卷
|
5卷引用:广东省汕头市第二中学2021届高三下学期3月模拟数学试题
名校
解题方法
4 . 已知函数
.
(1)若
在
上不单调,求
的取值范围.
(2)若
在区间
上存在极大值
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93624b8fc2b5b2b42c241039442921a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8e78aeab9aa2973bdf12016d5e37a5.png)
您最近一年使用:0次
2021-06-18更新
|
450次组卷
|
3卷引用:河南省南阳市2020-2021学年高二下学期阶段检测考试理数试题
解题方法
5 . 已知函数
(
).
(Ⅰ)若函数
在
上单调递增,求实数
的取值范围;
(Ⅱ)若函数
有两个不同的极值点
,
,且
,判断
是否有最小值,若有求出最小值;若没有说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f78e6ee8bc80d5112b1d414aff629f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(Ⅰ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(Ⅱ)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/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c58e47b409b049b5729efed3226c9c.png)
您最近一年使用:0次
名校
6 . 已知
,
.
(1)设
,若函数
是单调函数,求曲线
在点
处的切线方程;
(2)设
,若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38716f6e23267264de62d5a873fef936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9154514e9d2a5b3e3eaa508adabbaa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a020607e7478fc091525240b0580b37.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0a974c6dbd1b25e99411faec3732f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c77f150cdda10a586d2e33af181f9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-06-03更新
|
438次组卷
|
2卷引用:重庆市南开中学2021届高三下学期第八次质量检测数学试题
解题方法
7 . 设函数
.
(1)若函数
在R上是增函数,求实数a的取值范围;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f782e31b0bc94c8a3fde62b92a7c628.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd8a47e0ae89ca8c90013dac7333192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778806b2cbae7025d3dc3c04d06e4fd0.png)
您最近一年使用:0次
2021-03-27更新
|
403次组卷
|
4卷引用:内蒙古呼伦贝尔市2021届高三二模理科数学试题
8 . 已知函数
,
.
(1)若
在
上单调递增,
在
上单调递减,求
的取值范围;
(2)若
有且仅有一个零点,讨论
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51b45c6ae148fd6ee91b3cd79050726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9d3040ae450e5640a72bb9d9e88e62.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4a226feca9d9095b0f68191245ed22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解题方法
9 . 已知函数
,
,
.
(1)若函数
在
上单调递增,在
上单调递减,求实数
的取值范围;
(2)设曲线
在点
处的切线为
,是否存在这样的点
使得直线
与曲线
(其中
)也相切?若存在,判断满足条件的点
的个数,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0abe9a2ca924b33d44b6f8ae8bed68b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc448d88337149c732b655ea59a9d2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7863b54185da5a3f1a765e1aa0577e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f853f6becc68559665b6c357471a3a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
10 . 已知函数
,其中
,当
时,
;又函数
在
上单调递增,则实数
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd57ea26ad54a7381754ade671ef1ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa7d6aca3d470e5310aebc83345ee09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a6143c45019d4235e6b10ed1b1a031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e207cf62e3a7e282eac4c4a3455bbf9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7db9c637d2e6d6432070fdcaaea39c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.2 | B.![]() | C.1 | D.![]() |
您最近一年使用:0次