解题方法
1 . 写出一个同时具有下列性质①②③的非常值函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
______ .
①
在
上恒成立;②
是偶函数;③
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3f07066c570810d821b3ed430d233d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb2c67dc997ea3bb8e756a5b9fa044.png)
您最近一年使用:0次
2023-05-09更新
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583次组卷
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3卷引用:贵州省毕节市2023届高三诊断性考试(三)数学(文)试题
2 . 给出两个函数性质:
性质1:
是偶函数;
性质2:
在
上是减函数,在
上是增函数;
对于函数:①
;②
; ③
,
上述两个函数性质都具有的所有函数的序号是_____________ .
性质1:
![](https://img.xkw.com/dksih/QBM/2015/3/4/1571990034972672/1571990040739840/STEM/0f066c897a8f4bfe88866e1efc4e6ea5.png?resizew=59)
性质2:
![](https://img.xkw.com/dksih/QBM/2015/3/4/1571990034972672/1571990040739840/STEM/88b8e5fb4a5747eba63a73e29850486b.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2015/3/4/1571990034972672/1571990040739840/STEM/a3d9732dbfe14d909db7880a90401507.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2015/3/4/1571990034972672/1571990040739840/STEM/66393f557db2400b859de2493472e423.png?resizew=48)
对于函数:①
![](https://img.xkw.com/dksih/QBM/2015/3/4/1571990034972672/1571990040739840/STEM/790158f3a3d1405eb6594a38974af9df.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2015/3/4/1571990034972672/1571990040739840/STEM/d0d4e37d4e354d7097304d1cc8ae1030.png?resizew=101)
![](https://img.xkw.com/dksih/QBM/2015/3/4/1571990034972672/1571990040739840/STEM/11265d1656734d76b7f1aa0b9bd1b440.png?resizew=116)
上述两个函数性质都具有的所有函数的序号是
您最近一年使用:0次