1 . 函数
的定义域为
,若函数
满足:(1)
在
上为单调函数;(2)存在区间
,使得
在
上的值域为
,则称函数
为“取半函数”.若
,且
为“取半函数”,则
的取值范围是
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/73a1961c67ee4bdda5cab50fe4301000.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/c68677232813409d9138c891f41d9399.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/73a1961c67ee4bdda5cab50fe4301000.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/73a1961c67ee4bdda5cab50fe4301000.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/c68677232813409d9138c891f41d9399.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/5095f50affce45c2b6d7837dd963e6a9.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/73a1961c67ee4bdda5cab50fe4301000.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/19de825b8e50421ea40b0cd7e4d742b1.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/3aa240b97e214721ab8cacafbd32d186.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/73a1961c67ee4bdda5cab50fe4301000.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/6b4e1b001cb74001aba84d5aac3e2a5f.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/5a8e5e5ac33741a3ad1c5e6cdb2687fe.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572646533177344/1572646538502144/STEM/5e7c84277859461cbd3943c927c48b1c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-03更新
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2卷引用:2015届四川省遂宁市高三第二次诊断考试文科数学试卷