20-07-2016
Mathematics

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I need help with math problem, plz help!

I need help with math problem plz help class=

Respuesta :

20-07-2016

Hello,

In a function, each value has allmost one image.

Answer C
A: not since (1,2)(1,-2)
B:not since (2,4) (2,-4)
D:not since (0,2) (0,-2)

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