名校
1 . 已知函数
的值域为
的值域为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9ec2e81bdebbd70d92b9426f837461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63daba3dbcbc95c8594fcd0e95c561f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.7 | B.8 | C.9 | D.10 |
您最近一年使用:0次
2 . 函数
,则
恒成立的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ddcde9cf0e2385ede5f47fc8245e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ed470a3a2d689855b2eaab40549066.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次