高中数学代数与函数一函数练习题30
题目内容

函数y= http://picflow.koolearn.com/upload/papers/20140824/20140824003239358683.png的定义域是(    )

2021-07-26

A.[1,+∞)

B.(http://picflow.koolearn.com/upload/papers/20140824/20140824003239389354.png,+∞)

C.[http://picflow.koolearn.com/upload/papers/20140824/20140824003239389354.png,1]

D.(http://picflow.koolearn.com/upload/papers/20140824/20140824003239389354.png,1]

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