已知函数
是定义域为R的偶函数,满足
,且当
时,
,若
,则
的所有取值构成的集合为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad25724fe5484005c32bf296f9638be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d31d07e0e178dd81de9ab409d9475e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1439c562a1331c7245f7ad4c70e0b6b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7790a91bcbbc414071d2ad1649fc8e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
2021·全国·模拟预测 查看更多[1]
(已下线)2021年高考最后一卷理科数学(第七模拟)
更新时间:2021-05-19 08:20:51
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适中
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【推荐1】设函数
的定义域分别为
,且
,若对任意的
,都有
,则称
为
在
上的一个“延拓函数”,已知
,若
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在
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是偶函数,则函数
的解析式为__________ .
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【推荐2】若函数
是偶函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9226859ddab1edb6533c7daa07853ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
您最近一年使用:0次
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【推荐1】已知
是定义在
上的周期为2的偶函数,当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd958bd75f8fb9d89214b6b8826c4780.png)
______ .
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【推荐2】定义在
上的函数
满足
,且
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4277390249b347fdd40159a7f0098b07.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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