II. IDENTIFICATION. Determine whether each of the following items is a function or simply a relation. Write FUNCTION if
can be a function and RELATION if only a relation on the space provided.
6. A = {(4,-2), (3,-3), (5,-4), (2, -3)}
7. B = {(10,-10), (5,-5), (0, 0), (5,5), (10,10)}
8. C = {(-1, 4), (0, 3), (1, 2), (2, 1))
9. D = {(2,4), (3,-5), (2,5),(-1,5), (5, 8)}
10. E = {(1,6), (2, 3), (5,8), (6,9)}​