1 . 已知集合
,
,若
,则实数
的取值范围是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e169a948ddc2585c751352c171f4fce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7eaa63f602933411fa6541051208903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知函数
的定义域为
,值域为
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92bb51b2709bf48532ac38a7b148200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
A.![]() | B.![]() |
C.![]() | D.![]() |
A.![]() | B.![]() | C.![]() | D.![]() |