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Which set of ordered pairs does not represent a function?

{(5,7), (4,-2), (-8,8), (4,-9)}
{(6,-2), (-2, -7), (-9,-4), (8,-7)}
{(-6,-7), (0,9), (6,-7), (3, -4)}
{(4,6), (9,-8), (3,2), (-9,-8)}

User Ufx
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1 Answer

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26 votes
The first one bc the 4“x” repeats more than once in the x axis
User Mloar
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