1 . 在下列命题中,正确命题的序号为_______ (写出所有正确命题的序号).
①函数
的最小值为
;
②已知定义在
上周期为4的函数
满足
,则
一定为偶函数;
③定义在
上的函数
既是奇函数又是以2为周期的周期函数,则
;
④已知函数
,则
是
有极值的必要不充分条件;
⑤已知函数
,若
,则
.
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d06215b160eb43fc7be227a31e9269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8aae28ca96120a3ec1f4ce541db3580.png)
②已知定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c01ab30854f54c2514d1a05f779b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
③定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8329471f251b9330f60fe6c593d821e.png)
④已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75044e0301ef9def5c1a1c8e6f2cba77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
⑤已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52142482df6bbd431d300f011e3ccb12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ecda7bfb0a2043306bf7707a136ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356704dd58441206abb070f2b8fc0cc8.png)
您最近一年使用:0次
2016-12-04更新
|
379次组卷
|
6卷引用:2016届河北省冀州市中学高三上学期期中考试理科数学A卷
10-11高一上·河北唐山·期中
解题方法
2 . 下列说法:①若
(其中
)是偶函数, 则实数
;
②
既是奇函数又是偶函数;
③已知
是定义在
上的奇函数,若当
时,
,则当
时,
;
④已知
是定义在R上的不恒为零的函数, 且对任意的
都满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754dcd5a8ca90e0a239951d8b8d1071d.png)
, 则
是奇函数.
其中所有正确说法的序号是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65945142d30134184e478bc623997154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978f4486f7dc6a282aecc5257132c517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d96ab75dab8aff30ee34d9b88c3d96.png)
③已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168163183a3d4663be45755f44676191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93649f8c2a15223061cdbba378934010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637ccb33543ce5bc8131b59d70127297.png)
④已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754dcd5a8ca90e0a239951d8b8d1071d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61429212d64b96e2b7766a7a31caee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
其中所有正确说法的序号是
您最近一年使用:0次