Question

Which relation does not represent a function?

(−7, 3), (−3, 1), (1, −4), (5, −6)

(−4, 2), (1, 5), (−4, 0), (5, 6)

(2, 0), (4, 8), (6, 5), (10, 5)

(−3, 6), (−1, 1), (0, 4), (3, 7)

Answer 1

Remember this: A function is a set of ordered pairs in which no two ordered pairs have the same first number.

Answer 2

It would be B

Answer 3

Oh, im sorry @Mertsj didn't see u there...

Answer 4

Also it is best not to just give answers regardless of who is answering.