Each answer choice below represents a relation by a set of ordered pairs. In which of the answer choices is the relation a function?
Select all correct answers.
Select all that apply:
{(-4,0), (6,8) , (9,0), (-5,2)}
{(-3,6) , (9,-5), (-1,9) , (9,14)}
{(~4,9) , (4,5) , (0,11) , (0, 14)}
{(9,7), (-5,2) , (1,-3) , (0,7)}
{(0,1), (0,9),(-1,12) , (7,4)}