名校
解题方法
1 . 已知函数
是定义在
上的偶函数,对于
,都有
成立,当
且
时,都有
给出下列四个命题:
①
②直线
是函数
的图象的一条对称轴;
③函数
在
上为减函数;④函数
在
上有四个零点.
其中所有正确命题的序号为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feedd7224f069d6d4796a3b6e5b23e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16014834857c7ad49afc420095b5239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4edc3ae354cf9044a395d7746796969.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41a385ff81845edeab1d0779594867d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9577e0574ff58314de9b20b0a6c4a3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2760995ff6e41fa0759a2d5da4ec14.png)
其中所有正确命题的序号为
您最近一年使用:0次
2017-09-03更新
|
1531次组卷
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2卷引用:黑龙江省大庆市大庆实验中学2018届高三上学期期初考试数学(文)试题