Question

Which of the following sets represents a function?

{(3, 5), (-1, 7), (3, 9)}
{(1, 2), (3, 2), (5, 7)}
{(1, 2), (1, 4), (1, 6)}

Answer 1

May I help?

Answer 2

C. is the answer.

Answer 3

a function does *not* have the same x with a different y
in other words, if you have for example (3,1) and (3,2)
that is not a function because we have x=3 but y =1 and y=2

Answer 4

welcome to os