名校
1 . 已知向量
,
,函数
,下列命题,说法正确的序号是__________ .
①
;
②
图象关于
称;
③若
,则
;
④若
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a3679f1994524c86318f9c08d3fd76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2f5d54beb8da3c526fce7ebfb4884c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b335f1081177a380acb7b2860c2ac6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500c21b52d4caec1727d4fd2217ea64f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6185310d1f4c605ffbcdaf1167ac312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6461468072bd27afd53fd5f9c3bf344.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0072ce99cb64831a78fd3a452daf0b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2f24b4fa5308650a244d954f78f09b.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb66ce0b90dc6336af3e83a1e4d52846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf56704d5f06246899f836b30eb4f611.png)
您最近一年使用:0次
名校
2 . 函数
的最大值与最小值之和等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cf1ff1721c06c3f5f2685f8a9cc3c4.png)
您最近一年使用:0次
2019-01-21更新
|
558次组卷
|
5卷引用:宁夏隆德县中学2021届高三年级上学期第三次月考数学(理)试题