已知函数
,
,
,当
时,
的值域为_____ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bb1c2a3eed1dd388fc2a2323721d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0ba94c781da05ac6ca38261904b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e2d6c792157e30013e685b8eef3083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bde2e500fd5386e355db9040a1946d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
更新时间:2020-02-10 08:58:45
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