题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224302-39086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224302-62369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224302-51007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224302-22483.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224302-99393.png)
解析
试题分析:因为函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224302-39086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224302-62369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224302-51007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224303-15163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224302-22483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224303-41242.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224303-29076.png)
点评:函数与不等式的求解,主要是结合函数的性质来分析得到,有创新性。
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224255-67484.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224256-95270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224256-69693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224244-87818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224244-72428.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224244-26776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224244-13173.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224204-34343.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224204-88270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224205-35169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224205-97088.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224155-17348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224156-46573.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224156-19778.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224156-69207.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224156-36958.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224157-86483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224157-24162.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224125-21935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224125-16358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224125-33506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224125-34332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224125-28484.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224126-82983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224126-75824.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204224126-67840.png)
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