Mathematics, 23.02.2021 07:00 angelb2472

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

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Which set of ordered pairs represents a function? {(1,-6),(-1, -2), (5, -1), (7,-2)}
{(5,-9),...