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Mathematics 8 Online
OpenStudy (anonymous):

Which of the following relations is a function: {(1,2), (1,4), (2,0), (-4,0)} {(1,4), (2,4), (4,4), (0,4)} {(0,0), (1,1), (0,-2), (1,-2)} None of the above

OpenStudy (anonymous):

{(1,4), (2,4), (4,4), (0,4)} why?

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

do you want to know why? and how?

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