高中数学代数与函数一函数练习题76
题目内容

函数y= http://picflow.koolearn.com/upload/2011-04/15/13d44a3b-49e1-43e3-ad3d-9a515bc7e381/paper.files/image002.gif的定义域为(     )

2021-08-03

A.{x|x≠http://picflow.koolearn.com/upload/2011-04/15/13d44a3b-49e1-43e3-ad3d-9a515bc7e381/paper.files/image003.gif}

B.(http://picflow.koolearn.com/upload/2011-04/15/13d44a3b-49e1-43e3-ad3d-9a515bc7e381/paper.files/image003.gif,+∞)

C.(-∞,http://picflow.koolearn.com/upload/2011-04/15/13d44a3b-49e1-43e3-ad3d-9a515bc7e381/paper.files/image003.gif)

D.[http://picflow.koolearn.com/upload/2011-04/15/13d44a3b-49e1-43e3-ad3d-9a515bc7e381/paper.files/image003.gif,+∞)

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