已知集合
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/201408240259073531372.png)
,集合
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907368727.png)
.
(1)若
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907384340.png)
,求
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907399752.png)
;
(2)若
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907415519.png)
,求
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907431285.png)
的取值范圍.
(1)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907446674.png)
;(2)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907462408.png)
試題分析:(1)集合A是求函數(shù)的定義域,根據(jù)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907477841.png)
,求出集合A;再求出集合B的補(bǔ)集,求交集即可;(2)根據(jù)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907415519.png)
,得出
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907493451.png)
,然后畫出數(shù)軸,可得出答案.
試題解析:(1)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907524813.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/201408240259075241164.png)
(2)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907540240.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907415519.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907571202.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907493451.png)
,
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025907618431.png)
.
練習(xí)冊系列答案
相關(guān)習(xí)題
科目:高中數(shù)學(xué)
來源:不詳
題型:解答題
已知全集
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025855044436.png)
,
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025855060909.png)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/201408240258550751023.png)
,
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025855091622.png)
.
(1)求
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025855107802.png)
;(2)如果集合
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025855122809.png)
,寫出
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025855138399.png)
的所有真子集.
查看答案和解析>>
科目:高中數(shù)學(xué)
來源:不詳
題型:單選題
已知集合
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/201408240304176062092.png)
,則A∩B=( )
查看答案和解析>>
科目:高中數(shù)學(xué)
來源:不詳
題型:單選題
設(shè)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025951672949.png)
,
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/201408240259517041469.png)
,若
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025951719676.png)
,則實(shí)數(shù)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025951735312.png)
的范圍是( ).
查看答案和解析>>
科目:高中數(shù)學(xué)
來源:不詳
題型:單選題
已知全集U={0,1,2,3,4},M={0,1,2},N={2,3},則(
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824025819929401.png)
M)∩N=( )
查看答案和解析>>
科目:高中數(shù)學(xué)
來源:不詳
題型:單選題
已知集合
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/201408240311271061826.png)
,則
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824031127122474.png)
( )
查看答案和解析>>
科目:高中數(shù)學(xué)
來源:不詳
題型:單選題
已知函數(shù)
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824030141965666.png)
的定義域?yàn)?img src="http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824030142011651.png" style="vertical-align:middle;" />的值域?yàn)?img src="http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824030142027309.png" style="vertical-align:middle;" />,則
![](http://thumb.zyjl.cn/pic2/upload/papers/20140824/20140824030142043459.png)
( )
查看答案和解析>>