题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172601-60755.png)
(Ⅰ)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172601-72278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172602-18069.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172602-12579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172602-95952.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172602-42097.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-69132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172601-72278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-11293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172602-95952.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-61947.png)
由
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172604-49456.png)
可得
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172604-39380.png)
(Ⅱ)函数
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172601-72278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-11293.png)
因为
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-69132.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172604-13822.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172604-92409.png)
要使
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172601-72278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-11293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172605-70122.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172605-10065.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-11293.png)
……………………10分
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172605-24893.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172605-97843.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172601-72278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-11293.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172606-97707.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172606-59246.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172606-90142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172606-41234.png)
此时
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172601-72278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-11293.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172607-85417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172601-72278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172603-11293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172607-72619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172607-75495.png)
综上所述,
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172602-95952.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172607-11882.png)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172519-15462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172519-71730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172520-43242.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172444-59513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172444-26523.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172444-90791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172444-59513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172444-78264.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172446-64814.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172414-68964.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172414-48024.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172415-52830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172415-52830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172415-33390.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172349-50911.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172350-67648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172350-88808.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172351-55399.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172351-27706.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172351-96878.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017172241-71600.png)
A.(![]() | B.(1,![]() |
C.(0,1) | D.(1,e) |
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