解题方法
1 . 若函数
是定义在R上的偶函数,在
上是减函数,且
,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db7707d6b2754808adefc9b2fb976a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f711a76e203234daf39cf5bfdfd323c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb0e26a4feb3cb343253a0399fe2eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d9d49a1f362a91ac3479211fb4aaa6.png)
A.![]() | B.4 | C.1 | D.2 |
您最近一年使用:0次
3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ccaf946a034215b8c49c12a1aff7790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f38fc907a460fb248629000a74614699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次