已知
.
(1)化简
的解析式,并求
在区间
上的值域;
(2)若
,
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7a3ca7afe00fa6437b0ed46c8251fe.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49a2c69d641178f4cdddedf26e70b88.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58f78cb224a765a658f29ac0eba5f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4b6b82a52799e086a3012749a74eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
更新时间:2021-04-13 22:27:25
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解题方法
【推荐1】已知函数
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【推荐2】已知
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