1 . 已知下列命题:
①函数
有最小值2;
②“
”的一个必要不充分条件是“
”;
③命题
:
,
;命题
:
,
.则命题“
”是假命题;
④函数
在点
处的切线方程为
.
其中正确命题的序号是__________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a058d8324895232b181a5a50eb27ec.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0b663c96a45e8031dde30026ad204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da322ac8867e8a47c6588601078abf18.png)
③命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97d62778cf443743b33383960b106f29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e20282b44b9a81a094e73325a1e0583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e29e70dc0bc2a9cf1a5feb67d439566.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ffe13a3112acf545ee550cab301cb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92002afa0b414eae387a91207c629398.png)
其中正确命题的序号是
您最近一年使用:0次
2017-05-10更新
|
883次组卷
|
3卷引用:天津市红桥区2017届高三下学期二模理科数学试题