1 . 下列函数中,最小正周期为
的偶函数是
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://img.xkw.com/dksih/QBM/2023/5/10/3234804934615040/3297621458264064/STEM/1d1f26f52da74386b519048d8832773a.png?resizew=4)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 定义一种运算:
,将函数
的图象向左平移
(
)个单位长度,所得图象对应的函数图象关于
轴对称,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a233cfe0574065115633ade00eddbb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c96755c00be8b219cf2b28fc66f401a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次