名校
1 . 已知函数
.
(1)设函数
,讨论函数
的单调性;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e2873914d5e21f7840bf014db6f861.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ffe1bb5d9ca1a40fd161602824db03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eade20fc55d78aba17d91cddf4cf3c1a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447b291cb53c801cc14974de92e3b271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8ddf26da4064c685bc6c77b0ca612c.png)
您最近一年使用:0次
2014·天津南开·一模
名校
2 . 设函数
在
上存在导数
,对任意的
有
,且
时
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1267aff5a9277e75343734fcaf6af60a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0084d1506c4c8720e456a509049647f1.png)
,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994bbcf39f4dda34e877b21af71f103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe615995c91724e8e7635bbd221c030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49527d959282a22e8fb4e3fb3ed2ee09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1267aff5a9277e75343734fcaf6af60a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0084d1506c4c8720e456a509049647f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0143102d126b93071f3f1f114a234718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
4631次组卷
|
8卷引用:【全国百强校】安徽省铜陵市第一中学2018-2019学年高二下学期期中考试数学(理)试题