Question 1171042: Determine whether the following set of ordered pairs is a function. Justify your answer.
{(9, 3), (2, -2), (-4, 7), (-4, 5)}
Found 2 solutions by josgarithmetic, MathLover1:
Answer by josgarithmetic(39617)   (Show Source):
Answer by MathLover1(20850)  (Show Source):
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{( ,  ), ( ,  ), ( ,  ), (, )}
domain: { ,, }
range: { ,, , } => not a function, has two different outlets (pairs (, ), (,))
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