高中数学代数与函数一函数练习题80
题目内容

函数 http://picflow.koolearn.com/upload/2014-06/13/b62636d2-663f-47bd-a69e-70edb4b9bf3b/paper.files/image006.png的定义域是 (     )

2021-08-04

A.(-http://picflow.koolearn.com/upload/2014-06/13/b62636d2-663f-47bd-a69e-70edb4b9bf3b/paper.files/image007.png,-1)

B.(1,+http://picflow.koolearn.com/upload/2014-06/13/b62636d2-663f-47bd-a69e-70edb4b9bf3b/paper.files/image007.png)

C.(-1,+http://picflow.koolearn.com/upload/2014-06/13/b62636d2-663f-47bd-a69e-70edb4b9bf3b/paper.files/image007.png)

D.(-1,1)∪(1,+http://picflow.koolearn.com/upload/2014-06/13/b62636d2-663f-47bd-a69e-70edb4b9bf3b/paper.files/image007.png)

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