题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132448-45282.png)
(1)写出定义域及f′(x)的解析式,
(2)设a>O,讨论函数y=f(x)的单调性.
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132448-14545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132449-42376.png)
(2)①当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132449-68399.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132449-76851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132449-52556.png)
② 当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132450-28877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132450-10431.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132450-86736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132450-18895.png)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132449-57721.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132432-66063.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132408-20929.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132408-42936.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132408-81945.png)
(1) 将函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132408-15033.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132409-45197.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132409-45197.png)
(2) 关于
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132409-94332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132409-50831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132409-90283.png)
(3)对于函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132410-20212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132410-43240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132409-94332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132410-45561.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132410-11244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132411-17137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132411-13553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132410-20212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132410-43240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132411-83866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132411-20961.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132410-20212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132410-43240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132016-95512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132017-65983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132017-85693.png)
(Ⅰ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132017-26976.png)
(Ⅱ)函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132017-47208.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132018-74200.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132018-75206.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018132018-77177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018131820-71676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018131820-76517.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018131820-42877.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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