Question

Which relation is a function?

(If you cannot see it, please try to zoom in to it.)

Answer 1

Ill try to help

Answer 2

Im almost sure its d because no two values are the same in y while there are two values of the same in the others graphs

Answer 3

I hope that makes sense @Ms-Brains

Answer 4

Are you sure that is correct..?

Answer 5

no

Answer 6

Can you help me @weasel123 ?

Answer 7

not really

Answer 8

check the points
for any X-repeats, that is, from the x,y pair of each point
for the graph to be a function, it should NOT have any "x" repeats