题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020126-90052.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020127-77793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020127-25820.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:先求导数
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020128-78353.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020128-35007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020129-46423.png)
![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | + | 0 | — | 0 | + |
![]() | 递增 | 极大值 | 递减 | 极小值 | 递增 |
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020131-52852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020131-53496.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020131-95449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020131-29571.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020128-22112.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020131-34637.jpg)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020112-91585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020113-25083.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020113-31947.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020113-29970.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020113-25083.png)
(Ⅱ)当
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020113-79563.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020113-29970.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020114-73357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020057-51816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020057-78475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020057-24844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020057-98992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020057-50804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020058-41009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020058-40578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020058-83642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020058-66798.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020057-51816.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020042-19770.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020042-17752.png)
(2)记
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020042-17752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020043-14661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020043-46483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020043-27230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020043-40700.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020013-85267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020013-94176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020013-72567.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020013-60144.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020014-37287.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020014-83365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020014-13907.png)
(1)确定实数
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020013-94176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020014-53890.png)
(2)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020014-51059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020014-35459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020014-16980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020013-94176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020004-81831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019020004-85892.png)
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