1 . 已知函数
(
,
)的部分图象如图所示,则下列说法正确的个数是( )
最小正周期为
;
②
为函数
的一个对称中心;
③
;
④函数
向右平移
个单位后所得函数为偶函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b892bad2465c72b3250d000cc12d0fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e1734dcc7697235124fbaba4ba6033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf1f865bafd4a820406d336d99f8091.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f845b3ec6318b16b760b31eb5e52b17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4155edb710b6451b5c677ba86d6f045c.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
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2024-01-18更新
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3卷引用:黑龙江省齐齐哈尔市建华区齐齐哈尔市实验中学2023-2024学年高二下学期5月期中考试数学试题