Question

Function of x.
Picture In Comments..

Answer 1

HI!!

Answer 2

find the one with a repeat in the first (the \(x\)) coordinate

Answer 3

hi..

Answer 4

C?

Answer 5

i would look at C first, because it is usually C

Answer 6

yeah there is a repeated 3 there
when in doubt, Charlie out

Answer 7

wait so how do i know if its a function?

Answer 8

if there is NO repeat in the first numbers
the second numbers do not matter

Answer 9

thanks