高中数学代数与函数一函数练习题78
题目内容

函数y= http://picflow.koolearn.com/upload/2013-03/14/e781e8df-556a-4896-9b7b-477272375526/paper.files/image001.png的定义域是(    )

2021-08-04

A.[1,+∞)

B.(http://picflow.koolearn.com/upload/2013-03/14/e781e8df-556a-4896-9b7b-477272375526/paper.files/image002.png,+∞)

C.[http://picflow.koolearn.com/upload/2013-03/14/e781e8df-556a-4896-9b7b-477272375526/paper.files/image002.png,1]

D.(http://picflow.koolearn.com/upload/2013-03/14/e781e8df-556a-4896-9b7b-477272375526/paper.files/image002.png,1]

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