解题方法
1 . 若
的定义域为R,且满足
为奇函数,
的图象关于直线
对称,则下列说法正确的个数是( )
①
的一个周期为4 ②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51afcfa45e6a197ea32f77ce01e5acce.png)
③
图象的一条对称轴为
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715e447a8c801d08f9d4cc338fb075c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51afcfa45e6a197ea32f77ce01e5acce.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715e447a8c801d08f9d4cc338fb075c9.png)
A.1 | B.2 | C.3 | D.4 |
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