1 . 判断正误(正确的打“正确”,错误的打“错误”)
(1)函数
的周期是
.( )
(2)函数
是偶函数,则
.( )
(3)函数
的最小值可能是
. ( )
(4)
是函数
的对称轴.( )
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f02835a420a7f47bbfaa814b544a9aca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4d2eb966691145d855eb4f56daa89b.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae26042cc00e3d363ac747ecd087f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e7490f5a6ddb2feae7b184cc9d4dca.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf8a2242c2f7b5827f3f3949bf18c7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8973254e0eeb29a0add0e4677ce5337b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc722ded5791781b242ee25f8a3a485.png)
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2 . 判断正误(正确的写正确,错误的写错误)
(1)若
,则
是正弦函数
的一个周期.( )
(2)函数
是奇函数.( )
(3)因为
,所以函数
的最小正周期为
.( )
(4)若
是函数
的周期,则
也是函数
的周期.( )
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9606af977a7cf691f473ddff19a8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcfe70fcf6c4adf6fd7b02911c2cd36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd54b43c76c867447dd389e5ee6d11b.png)
(3)因为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3c73fa7b4a8ddf8b3628eb8225d578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f9e2f7784ebdd64292e805884dfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314e5a4e6d2644bb3b368596861ba39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次