高中数学代数与函数一函数练习题80
题目内容

函数f(x)= http://picflow.koolearn.com/upload/2014-03/27/cd221630-19f6-4e7c-8227-9bff4602b5b7/paper.files/image001.png的定义域是(  )

2021-08-04

A.[-3,3]

B.[-http://picflow.koolearn.com/upload/2014-03/27/cd221630-19f6-4e7c-8227-9bff4602b5b7/paper.files/image002.pnghttp://picflow.koolearn.com/upload/2014-03/27/cd221630-19f6-4e7c-8227-9bff4602b5b7/paper.files/image002.png]

C.(1,http://picflow.koolearn.com/upload/2014-03/27/cd221630-19f6-4e7c-8227-9bff4602b5b7/paper.files/image002.png]

D.[-http://picflow.koolearn.com/upload/2014-03/27/cd221630-19f6-4e7c-8227-9bff4602b5b7/paper.files/image002.png,1)∪(1,http://picflow.koolearn.com/upload/2014-03/27/cd221630-19f6-4e7c-8227-9bff4602b5b7/paper.files/image002.png]

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