高中数学代数与函数一函数练习题78
题目内容

已知函数 http://picflow.koolearn.com/upload/2013-03/11/be419729-2918-47df-8d90-d6044bc3b568/paper.files/image047.png定义域是,则 http://picflow.koolearn.com/upload/2013-03/11/be419729-2918-47df-8d90-d6044bc3b568/paper.files/image048.png的定义域是(    )

2021-08-04

A.http://picflow.koolearn.com/upload/2013-03/11/be419729-2918-47df-8d90-d6044bc3b568/paper.files/image049.png

B.http://picflow.koolearn.com/upload/2013-03/11/be419729-2918-47df-8d90-d6044bc3b568/paper.files/image050.png

C.http://picflow.koolearn.com/upload/2013-03/11/be419729-2918-47df-8d90-d6044bc3b568/paper.files/image051.png

D.http://picflow.koolearn.com/upload/2013-03/11/be419729-2918-47df-8d90-d6044bc3b568/paper.files/image052.png

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