Question

Which of the sets of ordered pairs represents a function?

A = {(−4, 5), (1, −1), (2, −2), (2, 3)}

B = {(2, 2), (3, −2), (9, 3), (9, −3)}
Only A Only B Both A and B Neither A nor B

Answer 1

It's a function if for every x there is only one y

Answer 2

so A can't be a function because we have (2,-2) and (2,-3) see?

Answer 3

right @iambatman

Answer 4

So is B a function or not?

Answer 5

yes @iambatman

Answer 6

Try again