解题方法
1 . 已知函数
(
,
为自然对数的底数).
(1)若函数
存在极值点,求
的取值范围;
(2)设
,若不等式
在
上恒成立,求
的最大整数值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16841eed2c9d9a5b7109154f490ec4af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61eb83b411f6c92b5cccdae36e199292.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444eb0e61e82a55bd0ad2f19756e229d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a6330540758a21f46fc7a6d1e6328d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2 . 已知函数
.
(1)当
时,求
的单调区间;
(2)若函数
在
处取得极大值,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb4c6797c9cca0247d729ad1e9861d05.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f498b6874410fb46e9807e04371e6e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-10-23更新
|
496次组卷
|
5卷引用:【省级联考】海南省2019届高三第三次联合考试数学(理科) 试题
2011·海南海口·一模
解题方法
3 . 已知函数
,
.
(1)若函数
依次在
处取到极值,求
的取值范围;
(2)当
时,对任意的
,不等式
恒成立.求正整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a8120829b5e00fb9ead042725e01e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761d3cf43c0777a501b7ad4706653d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeb9a94e392f6759b18abed89aacc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2425497f56c3bdc9a8d7cde18e41d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f6313f09d17496008ebe3cc1fca0ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次