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/2012-12/20/6af5f9b6-0e0f-4286-90f9-139e12c3ae32/paper.files/image001.png的定义域为A, http://picflow.koolearn.com/upload/2012-12/20/6af5f9b6-0e0f-4286-90f9-139e12c3ae32/paper.files/image002.png的定义域为B,则 http://picflow.koolearn.com/upload/2012-12/20/6af5f9b6-0e0f-4286-90f9-139e12c3ae32/paper.files/image003.png=(  )

2021-08-04

A.http://picflow.koolearn.com/upload/2012-12/20/6af5f9b6-0e0f-4286-90f9-139e12c3ae32/paper.files/image004.png

B.http://picflow.koolearn.com/upload/2012-12/20/6af5f9b6-0e0f-4286-90f9-139e12c3ae32/paper.files/image005.png

C.http://picflow.koolearn.com/upload/2012-12/20/6af5f9b6-0e0f-4286-90f9-139e12c3ae32/paper.files/image006.png

D.http://picflow.koolearn.com/upload/2012-12/20/6af5f9b6-0e0f-4286-90f9-139e12c3ae32/paper.files/image007.png

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