The table shows sets of ordered pairs that form a relation.

Does each set of ordered pairs represent a function?

Select Function or Not a Function for each set of ordered pairs.

{(2,4), (3, 1), (0,5),(-1,-3)}

{(2,4),(-4,1),(0,4),(-3,0)}

{(-2,-3), (4,1),(4,4),(-3,2)}

((7,-3), (3,-7), (2,4),(4,2))