高中数学代数与函数一函数练习题80
题目内容

函数 y= http://picflow.koolearn.com/upload/2014-03/11/d7b84dec-a9d5-4488-96f5-e0340b1c9fab/paper.files/image001.png的定义域是 (   )

2021-08-04

A.[-http://picflow.koolearn.com/upload/2014-03/11/d7b84dec-a9d5-4488-96f5-e0340b1c9fab/paper.files/image002.png,-1)∪(1,http://picflow.koolearn.com/upload/2014-03/11/d7b84dec-a9d5-4488-96f5-e0340b1c9fab/paper.files/image002.png]

B.(-http://picflow.koolearn.com/upload/2014-03/11/d7b84dec-a9d5-4488-96f5-e0340b1c9fab/paper.files/image003.png,-1)∪(1,http://picflow.koolearn.com/upload/2014-03/11/d7b84dec-a9d5-4488-96f5-e0340b1c9fab/paper.files/image002.png)

C.[-2,-1)∪(1,2]

D.(-2,-1)∪(1,2)

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