高中数学代数与函数一函数练习题74
题目内容

函数 http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image001.gif的定义域为(  )

2021-08-03

A.{http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image002.gif|http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image002.gif≤1}

B.{http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image002.gif|http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image002.gif≥0}

C.{http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image002.gif|http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image002.gif≥1或http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image002.gif≤0}

D.{http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image002.gif|0≤http://picflow.koolearn.com/upload/2010-09/29/03c3d548-714e-41d4-bdf8-97892a238543/paper.files/image002.gif≤1}

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