Question

Which set of ordered pairs represents a function?

{(0, 1), (1, 2), (2, 3), (3, 3)}
{(0, 1), (1, 2), (1, 3), (2, 5)}
{(0, 0), (1, 2), (2, 4), (2, 6)}
{(0, 0), (0, 1), (2, 0), (2, 4)}

Answer 1

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