解题方法
1 . 已知函数
则函数
的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d568edf4e759d099c3fca7dd13ef047a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2016-12-04更新
|
785次组卷
|
2卷引用:2016届海南省海南中学高考模拟九理科数学试卷
14-15高一上·安徽淮南·期末
解题方法
2 . 设集合
是函数
的定义域,集合
是函数
的值域.
(Ⅰ)求集合
;
(Ⅱ)设集合
,若集合
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/74bdfa7765ce438abfd4e74b5b3d8c22.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/0605e7549fa94e8ea982b1e781643472.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/09af48e628574eeaadaf8772abba63d5.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/5540b611df5440778026582ecdc19638.png)
(Ⅰ)求集合
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/35cb20b5bf824500b9ff208b00afe59b.png)
(Ⅱ)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4746ab7c70be99032269726b81089ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d9db05ae0d7e541b574e7a749fe0da.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/7a15995aa5dd480997485e8ae0f5997d.png)
您最近一年使用:0次