1 . 若对
,使得
成立,则称函数
满足性质
,下列函数不满足性质
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6588867583dd23ef63cfe95564b40381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9cda9c01f745db34b6ebd7bc712af5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 函数
的定义域是_______ ,值域是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23af7440a6adefc783d5b950d60fa7b.png)
您最近一年使用:0次
名校
3 . 关于函数
有如下四个命题:
①
的图象关于原点对称;
②
的图象关于直线
对称;
③
的值域为R;
④
的单调递增区间为
(k∈Z).
共中所有真命题的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a411edbfd4859fc554d664a72b933b96.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2ec02caf837c6e7e0b76dd9acc7f0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c556665ef2f2730d3978e99589da5bb6.png)
共中所有真命题的序号是
您最近一年使用:0次