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Is the relation a function? {(14, 9), (15, 8), (8, 7), (1, 9), (15, 2)}
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Is the relation a function? {(14, 9), (15, 8), (8, 7), (1, 9), (15, 2)}

User Moebius
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1 Answer

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No, because 15 is repeating twice.
User Korab
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