已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9e0dcfe20e16312dd0f390fa78529c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b94c5c7083bb9a8b3f4ed85859850cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9e0dcfe20e16312dd0f390fa78529c.png)
23-24高一上·陕西安康·期中 查看更多[2]
更新时间:2023-11-18 11:59:04
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【知识点】 已知分段函数的值求参数或自变量解读
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【推荐1】已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e08a1f8215c7375133851879e7227b.png)
__________ ,
则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ec7793333922baee89e900b4f79ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e08a1f8215c7375133851879e7227b.png)
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【推荐2】设函数
,已知f(a)>1,则a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b000008d596a474ec962ae50b4e9b6.png)
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