【题文】设集合,则等于( )A.B.C.D.
【题文】设集合,则等于( )A.B.C.D.
题型:难度:来源:
【题文】设集合
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215805-30027.png)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215805-34517.png)
等于( )
答案
【答案】C
解析
【解析】
试题分析:∵
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215807-49355.png)
,∴
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215807-12886.png)
.
考点:1、一元二次不等式的解法;2、交集运算.
举一反三
【题文】1.设集合
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215741-64936.png)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215741-44968.png)
等于( )
【题文】已知集合
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215728-58592.png)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215729-75943.png)
,若
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215729-74399.png)
,则满足条件的集合
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215730-17717.png)
的个数为( )
【题文】已知集合
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215709-11236.png)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215709-14435.png)
=( )
【题文】已知集合A={y|y=
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215645-35371.png)
},B={x|y=
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215646-46507.png)
},则A∩B= ( )
A.[0,2) | B.[1,2) | C.(- ,2) | D.(0,2) |
【题文】已知集合
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215623-72345.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20200322/20200322215624-17741.png)
( )
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