Question

Which of the following represents a function?
x -14 -5 -14 4
y 18 18 24 17


x -14 -5 -2 -2
y 18 16 18 17


x -14 -5 -2 4
y 18 16 24 18


x -14 -5 -2 -5
y 18 16 18 17

Answer 1

Make sure your x's don't repeat

Answer 2

http://prntscr.com/b6ixm1 example this isnt a function because it repeats

Answer 3

A?

Answer 4

Does A have a repeating x?

Answer 5

D?

Answer 6

I dont know, you tell me. Do you see a repeating x?

Answer 7

I don't know... :(

Answer 8

Look at my example i gave you. Do you see how there are two -2? If there are repeating x values that makes it NOT a function.

Answer 9

It doesn't have a repeating X.. Right?

Answer 10

A function does NOT have repeating x's

Answer 11

C then since nothing is repeating?

Answer 12

Correct C. http://prntscr.com/b6iye5