【题文】已知,,,则,,的大小关系为A.B.C.D.
【题文】已知,,,则,,的大小关系为A.B.C.D.
题型:难度:来源:
答案
【答案】B
解析
【解析】因为
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173902-23711.png)
,所以
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173901-24542.png)
,故选B
举一反三
【题文】计算:
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173703-36252.png)
_________________
【题文】已知
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173330-49651.png)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173331-93184.png)
,用a,b表示
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173332-64307.png)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173332-96617.png)
=_______________
【题文】(文)已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173045-72627.png)
的定义域为R,且对任意
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173046-21274.png)
,都有
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173046-94704.png)
。若
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173047-45114.png)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328173047-64966.png)
,则
.
【题文】已知
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328172712-15490.png)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328172712-61336.png)
为
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328172713-78576.png)
的反函数.若
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328172713-49765.png)
,那么
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328172713-78576.png)
与
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328172712-61336.png)
在同一坐标系内的图像可能是 ( )
![](http://img.shitiku.com.cn/uploads/allimg/20200328/20200328172713-67939.png)
A B C D
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