Identify the Domain and Range of each example. Then, determine
if the relation is a functions. If it is a function- write "Function". If it is
not, write "Relation" and explain why it is not a function.
(3, 2), (-1, 7), (-3, 1), (0, 9), (2, -4) {(-4, 12), (-4, 15), (-2, 9), (0,6)}