题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160233-27957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-39775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-61263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-74149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-74536.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160235-19038.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:因为
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-61263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-39775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160236-43624.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-39775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-39775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160235-87826.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160236-20355.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-74149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160234-74536.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160236-89418.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160121-13706.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160121-61782.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160122-32730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160057-82086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160057-41099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160058-45600.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160058-38972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160058-51987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160058-88048.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160057-82086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160059-42868.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160057-41099.png)
下面我们来考虑两个函数:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160059-89576.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160100-12855.png)
(Ⅰ)当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160100-26915.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160100-48713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160101-83987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160100-48713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160101-83987.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160101-53328.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160101-72131.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160101-57888.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160102-54028.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160102-54028.png)
(Ⅲ)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160100-48713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160102-14570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160102-66705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160103-48543.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160042-33840.png)
A.(![]() | B.(![]() | C.(![]() | D.(1,2) |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160035-21078.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160035-77568.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204160036-49053.png)
A.(0,1) | B.(1,2) | C.(2,3) | D.(3,4) |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204155958-59956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204155959-87756.png)
(l)求实数a,c的值;
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204155959-49754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204155959-39458.png)
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