已知定义域为R的函数
和
,计算下列各式:
(1)
;
(2)
;
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df18da1ecd1a83afc4544ee71f00c56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c4473159277aed64ea96c4af087954.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6ac71450c81f0e0841621a0005f0a4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15588273f55025b66cdcac2c843eae6.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6edd6674eec85861b8a8587d628541ce.png)
更新时间:2023-10-02 12:27:53
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解答题-问答题
|
容易
(0.94)
解题方法
【推荐1】求下列函数的函数值:
(1)已知
,求
;
(2)已知
求
,
;
(3)已知
,
,求
,
.
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f177e151e55b24cf49be667d4c72ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfaf0560a00faab8012beaa463fe8cb.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8cf1fd0eb77fe42d35d7d5221ed99a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6134ea2e08b72b1902aae5e04c4d47b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754386f1d84e582d52d8219080a81528.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c962d7485825381801f1ebf56a37ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5dad7a704fc2b38d6a0cea29263199c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5089d8222e7e71d789d5ba67f52cbdb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34636f0ba560e7730a217204a172e322.png)
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