高中数学代数与函数一函数练习题76
题目内容

函数y= http://picflow.koolearn.com/upload/2012-12/02/7002ff4f-405b-4788-8da7-0e1ea41af87c/paper.files/image001.png的定义域是(   )

2021-08-03

A.[1,+∞)

B.http://picflow.koolearn.com/upload/2012-12/02/7002ff4f-405b-4788-8da7-0e1ea41af87c/paper.files/image002.png

C.http://picflow.koolearn.com/upload/2012-12/02/7002ff4f-405b-4788-8da7-0e1ea41af87c/paper.files/image003.png

D.http://picflow.koolearn.com/upload/2012-12/02/7002ff4f-405b-4788-8da7-0e1ea41af87c/paper.files/image004.png

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