函数y=
(x≤0)的值域是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6a1d2930de9c66289622713515ee98.png)
更新时间:2019-01-11 10:10:14
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【知识点】 复杂(根式型、分式型等)函数的值域解读
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