高中数学代数与函数一函数练习题30
题目内容

.函数 http://picflow.koolearn.com/upload/papers/20140824/20140824001132792310.png= http://picflow.koolearn.com/upload/papers/20140824/20140824001132807841.png的定义域为(   )

2021-07-26

A.[1,+∞)

B.[http://picflow.koolearn.com/upload/papers/20140824/20140824001132823382.png,1]

C.(http://picflow.koolearn.com/upload/papers/20140824/20140824001132854382.png,+∞)

D.(http://picflow.koolearn.com/upload/papers/20140824/20140824001132854382.png,1]

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