题目
题型:单选题难度:一般来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192533-73275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192533-53285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192533-73275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192534-39750.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192534-68580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192534-71085.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192534-45011.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:∵函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192533-73275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192533-53285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192535-37717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192533-73275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192533-73275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192534-39750.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192534-68580.png)
所以当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192535-51316.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192534-68580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192536-66636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192534-68580.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192536-64661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192534-45011.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192536-65337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192536-33348.png)
把点
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192536-34169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192536-33348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192537-30923.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192537-72962.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192536-33348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192537-76189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192535-97152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192537-18284.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192527-38461.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192527-25853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192527-45176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192527-49360.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192527-70316.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192528-90821.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192528-72896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192528-24914.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192528-64818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192521-51307.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192521-61511.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192521-34706.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192521-60259.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192521-92641.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192521-89338.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192521-51307.png)
(1)求实数a的值;
(2)如果当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192521-47852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192521-44011.png)
(3)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192522-72409.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192516-87911.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192516-26705.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192516-26705.png)
(3)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192516-17121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192516-40023.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192516-79273.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192516-22160.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192456-91793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192456-97032.png)
(1)若曲线
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-96608.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-48342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-19217.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-11764.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-10671.png)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192458-21498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-96608.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-48342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192458-90697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192458-90697.png)
(3)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192458-79178.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192458-21498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-96608.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-48342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192457-11764.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192454-85235.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192455-56165.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192455-52125.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819192455-56165.png)
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