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(-4,3),(5,-9),(11,4),(9,6),(5,-3),(8,-9),(1,4) state whether each set of ordered pairs represents a function
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(-4,3),(5,-9),(11,4),(9,6),(5,-3),(8,-9),(1,4) state whether each set of ordered pairs represents a function

User Pavel Shvedov
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It’s not a function, x repeats in (5,-9) and (5,-3)
User Sergey Novikov
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