Question

Which of the sets of ordered pairs represents a function?

A = {(2, 7), (1, –5), (7, 2), (2, –9)}

B = {(5, 3), (–2, –9), (–3, 8), (9, 3)}

A)Only A
B) Only B
C)Both A and B
D)Neither A nor B

Answer 1

Both A and B because No x value gives you the same y value in Both A and B.