Question

Which of the following is an example of a function?Answer

{(-1, 0), (-1, 3), (3, 9), (5, 10)}

{(1, 3), (2, 5), (3, 8), (4, 10)}

{(4, 6), (5, 9), (4, 7)}

{(0, 2), (0, 3), (1, 5), (4, 5)}

Answer 1

@mathgirl73

Answer 2

the second one all the x values are different