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Which set of ordered pairs does not represent a function? {(-5, -2), (3,-2), (5,-9), (6, -7)} {(-1, -3), (-4,9), (-7,2), (-3,9)} {(4,5), (-8,-6), (-7,-1), (6,-1)} {(-4,-9), (-4,4),(-2,2), (9,5)}
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Which set of ordered pairs does not represent a function?

{(-5, -2), (3,-2), (5,-9), (6, -7)}
{(-1, -3), (-4,9), (-7,2), (-3,9)}
{(4,5), (-8,-6), (-7,-1), (6,-1)}
{(-4,-9), (-4,4),(-2,2), (9,5)}

User Mike James
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The last one does not represent a function because, the x(domain) repeats-4
User Rajashree
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