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Which of the sets of ordered pairs represents a function?

A = {(3, −5), (4, 6), (−3, 9), (2, 7)}
B = {(2, 4), (−1, −7), (5, 6), (4, 3)}

1 Answer

5 votes
Both. In a function one y value can only have one x value.
User Attila Szili
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