题目
题型:解答题难度:一般来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161916-91481.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161916-64230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161916-99905.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161916-14167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161916-86914.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161917-84890.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161917-92918.png)
因为
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161916-64230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161917-75874.png)
(2)令t=
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161917-96324.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161917-96999.png)
当t=-3时,
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161918-70436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161918-31855.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161918-70436.png)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161913-84055.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161913-51813.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161910-74511.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161909-44179.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161901-90984.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161901-29750.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161902-69523.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161902-84734.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161902-36248.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161902-85622.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161902-69523.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161903-10957.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161903-18633.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161903-18430.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161903-94461.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161904-61814.gif)
(1)试探究线段
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161904-65259.gif)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161904-60272.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161903-10957.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161904-12370.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161858-91465.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161859-64448.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161859-72920.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161859-72920.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161859-22926.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161859-49176.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190820/20190820161859-63784.gif)
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