1 . 下列哪一组中的函数
与
是同一个函数?
(1)
,
;
(2)
,
;
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e471168701c5ebb27995b0d1c987bc24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd1cc9b247baaaf4c0546c8e4ade778.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fac074421929a348f0a77f28310d30.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649a60a395c78752af5de8d89c17fa45.png)
您最近一年使用:0次
2023-10-08更新
|
208次组卷
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3卷引用:习题 2-2
2 . (1)函数
和
是同一个函数吗?为什么?
(2)函数
和
是同一个函数吗?为什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1477874f709beddc3fe82cf92be007.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d002f6d8e51952abf6ec0ecfd6af84.png)
您最近一年使用:0次
2023-10-07更新
|
78次组卷
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3卷引用:2.1 函数概念