名校
1 . 有下列命题:
①函数
与
的图象关于
轴对称;
②若函数
,则函数
的最小值为
;
③若函数
在
上单调递增,则
;
④若
是
上的减函数,则
的取值范围是(0,
).
其中正确命题的序号是__________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a614ee45e4f1b511b38e3916461d853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ea36101bd7f0cefa20125125903e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b18adcc6d1cb6d6f697dd5a0f9fca0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1956aa5521d1ac2655139c1bb923aeb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80df69c684db04b8d4ff13ef44bbad44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6d6ee606a302f4f2a5848ac3ffa109.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187490fbed548f2c334398fd70b0beea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffa257f460e4ac09d2c68954d5c824d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
其中正确命题的序号是
您最近一年使用:0次
2017-08-17更新
|
418次组卷
|
2卷引用:四川省资阳市乐至县良安中学2019-2020学年高一上学期期中数学试题