名校
1 . 已知函数
,现给出如下命题:
①当
时,
;
②
在区间
上单调递增;
③
在区间
上有极大值;
④存在
,使得对任意
,都有
.
其中真命题的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78cfb9361b23e62c80cc5ce46519b42f.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2894be2f02eac6a127f9887f026a614f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
④存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bf4a061df1b809e76b7b958542d094.png)
其中真命题的序号是
您最近一年使用:0次
2021-10-06更新
|
373次组卷
|
2卷引用:重庆市缙云联盟2021-2022学年高二上学期10月质量检测数学试题