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Which set of ordered pairs represents a function?
{(−8,1),(5,−7),(−6,9),(−6,−9)}
{(-2, -3), (2, 1), (2, 6), (4, 9)}
{(-8, 4), (6, 4), (9, 1), (7, -6)}
{(-4, 5), (0, 0), (2, -8), (2, 0)}

User Nurikabe
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1 Answer

1 vote

Answer:

none of them

Explanation:

they all have x-values that lead to two different y-values.

User Niko
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