Question

HELP ASAP PLEASE MEDAL+FAN

Answer 1

Which of the following relations is not a function?
(4, 4), (-2, 2), (4, 1), (-8, 2)

(9, 4), (-2, 2), (4, 1), (-8, 2)

(-8, 4), (4, 3), (-2, 1), (9, 2)

(-2, 4), (4, 2), (9, 1), (-8, 5)

Answer 2

Basically look at the x values. If any of them repeat it is not a function.

Answer 3

?

Answer 4

So the coordinates are written in the form of (x,y), right? Look across the relations and see which have coordinates with a repeating x value

Answer 5

A?

Answer 6

yeah, since it has two points where x = 4