Question

Which relation is a function?

A.
(–8, –3), (–1, –5), (–8, –2)

B.
(1, –3), (5, –3), (–3, 7)

C.
(–3, 0), (5, 9), (–3, 2)

D.
(1, 2), (1, 1), (0, 1)

Answer 1

It isn't A or C, can you decide from there?

Answer 2

b because none of the x's have the same y

Answer 3

can i get medal?

Answer 4

Yes, a function must be able to pass the Vertical Line Test. If there is more than 1 of a certain "x" value, it doesn't pass this test.