高中数学代数与函数一函数练习题76
题目内容

函数f(x)= http://picflow.koolearn.com/upload/2011-04/11/17e85752-b02a-4754-a2ee-b58170976efb/paper.files/image009.gif的定义域是(   )

2021-08-03

A.http://picflow.koolearn.com/upload/2011-04/11/17e85752-b02a-4754-a2ee-b58170976efb/paper.files/image010.gif

B.http://picflow.koolearn.com/upload/2011-04/11/17e85752-b02a-4754-a2ee-b58170976efb/paper.files/image011.gif

C.http://picflow.koolearn.com/upload/2011-04/11/17e85752-b02a-4754-a2ee-b58170976efb/paper.files/image012.gif

D.http://picflow.koolearn.com/upload/2011-04/11/17e85752-b02a-4754-a2ee-b58170976efb/paper.files/image013.gif

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