Which of the sets of ordered pairs represents a function?

A = { (1, - 2), (3, - 5), (5, 2), (7, 5) }

B = { (4, 2), (4, - 2), (9, 3), (9, - 3) }

only A

only B

Both A and B

neither A or B

Question

8 November, 11:30

+5

Answers (1)

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Lowe · Answer 1

It's only A, because for each x, there's only one y, unlike B where there are two values for x=4 and two for x=9.

Which of the sets of ordered pairs represents a function?A = { (1, - 2), (3, - 5), (5, 2), (7, 5) }B = { (4, 2), (4, - 2), (9, 3), (9, - 3) }only Aonly BBoth A and Bneither A or B