Question

Which relation does not represent a function?

(-8, 4), (-3, 2), (1, 3), (5, -8)

(2, 0), (4, 6), (7, 6), (8, 5)

(-4, 6), (-1, 1), (0, 4), (4, 7)

(1, 2), (2, 5), (5, 7), (1, 3)

Answer 1

A function is a set of ordered pairs in which no two ordered pairs have the same first number.

Answer 2

A?

Answer 3

In A which ordered pairs have the same first number?

Answer 4

none

Answer 5

Then that one is a function. You are looking for the one that IS NOT a function.

Answer 6

In other words, you're looking for the one where 2 ordered pairs do have the same first number.

Answer 7

OHHHH! then it's D!

Answer 8

yes

Answer 9

haha, okay thanks hemmie!