名校
解题方法
1 . 已知函数
是定义在
上的奇函数,当
时,
,给出下列命题:
①当
时,
;
②函数
有
个零点;
③
,
,都有
;
④
的解集为
.
其中正确的命题是____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878b36452273466ddeb3b347a5b36809.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02dc029ed38173d103b53db5b47aced2.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ba8542fbe02e78cf3948c9abea9855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5365cefab9bc6064f5b24e2336bf3891.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2560586e247a78785c55740e61c353a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/114c10d90e09ef3de3af0a1ec52ca754.png)
其中正确的命题是
您最近一年使用:0次
2021-09-11更新
|
500次组卷
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3卷引用:内蒙古乌海市第一中学2021-2022学年高三上学期第一次月考理科数学试题