已知函数
具有如下性质:①值域为
;②单调递增区间为
,③
为偶函数.试写出一个符合要求的函数解析式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b029e85e686623cdef977b2cb1f207a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e81e15b871dd32b2438ef8025bcc42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
更新时间:2021-11-23 14:24:21
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【知识点】 函数基本性质的综合应用
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解题方法
【推荐1】已知函数
在
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用“
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较易
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【推荐2】已知函数
为奇函数,
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______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb9a0bf9bcb57b9c0fc425ea0724f4b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce72451b633f10836e96a40d48156162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13afc57230154aa6858a408be354d9c.png)
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