已知函数
,
.
(1)判断函数
奇偶性并证明;
(2)判断函数
单调性并用单调性定义证明;
(3)求函数
的值域.
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572511538085888/1572511543951360/STEM/c2a33bcfabf945cea8f8f790dc6483be.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572511538085888/1572511543951360/STEM/2849cc65cbaa404e864f8bbced6df12b.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求函数
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572511538085888/1572511543951360/STEM/2f5335418bd940319ef2c192a91477e7.png)
更新时间:2016-12-04 03:05:50
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【知识点】 对数函数
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解答题-问答题
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较易
(0.85)
【推荐1】求下列各式中的
的值
(1)
;(2)
;
(3)
;(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df94f044eda06c0c4dd17494f385daed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a291f5cd56226abe2379c7bf14fdf6b0.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c43f5f0a49fab85f80d5f95e14c8c568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991d10a449d9cb56a4e2a9217661b354.png)
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