Help??? Answer and explain Tell whether the relation is a function. Explain your reasoning {(-1, 7), (9, 4), (3, -2), (5, 3), (9, 1)}

asked Mar 22, 2018 16.0k views

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Help??? Answer and explain

Tell whether the relation is a function. Explain your reasoning
{(-1, 7), (9, 4), (3, -2), (5, 3), (9, 1)}

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The relation is not a function because the input numbers have a number that is repeated twice. That number is 9.

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