Brainiest if its correct.

Select Is a Function or Is not a Function to correctly classify each relation.


Is a Function, is not a Function


{(3, 7),(3, 6),(5, 4),(4, 7)}
{(1, 5),(3, 5),(4, 6),(6, 4)}
{(2, 3),(4, 2),(4, 6),(5, 8)}
{(0, 4),(3, 2),(4, 2),(6, 5)}