104k views
0 votes
PLEASE HELP why isnt 3,4 , 5,10 ,3,12 a function

1 Answer

6 votes
Functions have one output for every input. So that means one x-coordinate for one y-coordinate. In this case, (3,4) and (3,12) have the same x-coordinate, so it can't be a function.
User Aakash Anuj
by
5.9k points