函数y=(-1≤x<0)的反函数是 A.  y=(x≥)                    

函数y=(-1≤x<0)的反函数是

A.  y=(x)                           B.  y = -(x)

C.  y=(<x≤1)                          D.  y = -(<x≤1)

答案

D

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