Question

Which of the following is an example of a function?


{(3, 4), (4, 8), (6, 6), (7, 10)}

{(0, 2), (1, -4), (1, -3), (3, 6)}

{(-1, 4), (0, 3), (0, -2)}

{(5, 7), (6, 8), (6, 9), (7, 10)}

Answer 1

A function cannot have an x value for two different y values.

Answer 2

ok..

Answer 3

Only the one of the choices are left then....

Answer 4

c?

Answer 5

C uses the x value twice and shows it has two different values. So that is not a function.

Answer 6

a

Answer 7

lol I was just about to say that one

Answer 8

thanks!