Question

OMG IVE BEEN STUCK ON THIS 1 MEDAL

Answer 1

If an x-coordinate shows up more than once,
then it is `not a function`.

Answer 2

ITS LIKE TWISTING MY BRAIN

Answer 3

In option D we see (0,4) and (0,1).
The x-coordinate x=0 is being mapped to `two different y-coordinates`,
so the relation is NOT a function.

Answer 4

WAIT IS IT A?

Answer 5

yup

Answer 6

Untwist, focus, drink some rootbeer,
then choose the right answer :)

Answer 7

Yes, good job :)

Answer 8

yushh