Label each as a function or not a function.

Question

{(5, 2),(5, 6), (8, 13), (3, -1)}
{(0,3), (2, -1), (4, -8), (7, -9), (4, -10)}

Answer 1

{(5, 2),(5, 6), (8, 13), (3, -1)}: Function
{(0,3), (2, -1), (4, -8), (7, -9), (4, -10)}: Not a Function