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Function or Not

0%

0 0 0

?

Not a Function

{(1,-5), (3,1), (-5,4), (4,-2)}

Function

{(0,2), (1,3), (4,3), (1,2)}

Not a Function

?

Not a Function

?

Function

?

Not a Function

?

Function

?

Function

?

Not a Function

{(4, 8), (9, 2), (-3, -4)}

Function