1 . 给出下列四个命题:
①函数
为奇函数;
②奇函数的图像一定通过直角坐标系的原点;
③函数
的值域是
;
④若函数
的定义域为
,则函数
的定义域为
;
⑤函数
的单调递增区间是
.
其中正确命题的序号是_____________________ .(填上所有正确命题的序号)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/240a9ee88f22be1566996e3667edab4a.png)
②奇函数的图像一定通过直角坐标系的原点;
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc8c469d46173c64fcbf24e37d4b5789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
④若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82dee78784d1b1841d8ed52c47a8163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a194d91b2c7e1d0b03df17c87100a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
⑤函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f523f3c95181dba5f7d70e302b03d63a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf87d9d48c3de0a5e9f1a70e51a0bef.png)
其中正确命题的序号是
您最近一年使用:0次
2 . 下列命题:
①集合
的子集个数有16个;
②定义在
上的奇函数
必满足
;
③
既不是奇函数又不是偶函数;
④
,
,
,从集合
到集合
的对应关系
是映射;
⑤
在定义域上是减函数.
其中真命题的序号是______________ .
①集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bf4032eb5a9ba68131b15182aa3491.png)
②定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104375baf5cef5eb92cfc7cf13b80193.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7017ed873e20842a11cd6d7e6c60c68.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843c3f388a75bf981c11ca947a86e5fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e84710fa14977c09a2f851b83bcb3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c223ceac74e992c1ac4b2c53eb360f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ede389b43c78417912542746d91d00.png)
其中真命题的序号是
您最近一年使用:0次