高中数学代数与函数一函数练习题74
题目内容

函数y= http://picflow.koolearn.com/upload/2010-08/09/464477a6-ac19-4269-8510-36ee9084b03b/paper.files/image008.gif的定义域是(   )

2021-08-03

A.x≥1+http://picflow.koolearn.com/upload/2010-08/09/464477a6-ac19-4269-8510-36ee9084b03b/paper.files/image009.gif或x≤1-http://picflow.koolearn.com/upload/2010-08/09/464477a6-ac19-4269-8510-36ee9084b03b/paper.files/image009.gif

B.-1

C.1+http://picflow.koolearn.com/upload/2010-08/09/464477a6-ac19-4269-8510-36ee9084b03b/paper.files/image009.gif≤x<3或-1

D.1-http://picflow.koolearn.com/upload/2010-08/09/464477a6-ac19-4269-8510-36ee9084b03b/paper.files/image009.gif≤x≤1+http://picflow.koolearn.com/upload/2010-08/09/464477a6-ac19-4269-8510-36ee9084b03b/paper.files/image009.gif

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