高中数学代数与函数一函数练习题78
题目内容

函数 http://picflow.koolearn.com/upload/2013-04/22/2a3022eb-2983-4922-8994-fdc73eba77fb/paper.files/image030.png的定义域为(    )

2021-08-04

A.(http://picflow.koolearn.com/upload/2013-04/22/2a3022eb-2983-4922-8994-fdc73eba77fb/paper.files/image031.png,1)

B.(http://picflow.koolearn.com/upload/2013-04/22/2a3022eb-2983-4922-8994-fdc73eba77fb/paper.files/image031.png,+∞)

C.(1,+∞)

D.(http://picflow.koolearn.com/upload/2013-04/22/2a3022eb-2983-4922-8994-fdc73eba77fb/paper.files/image031.png,1)∪(1,+∞)

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