Answer :

Given: Set of ordered pairs: { (-3,0), (-1,3), (1,0), (3,3) }.

Required: Determine whether the set is relation or a function.

Explanation:

Function from set A to set B is a relation, in which each element of set A belongs to unique element of set B.

Here, Set A = {-3, -1, 1, 3} and set B = {0, 3}

Each element of Set