Question

which relation is a function? A {(2,3), (1,5) (2, 7)) B. (6-1, 5), (-2, 6), (-3,7) C. ((11,9), (11,5), (9,3)} D. {(3.8), (0.8), (3,-2)

Answer 1

For any x there is only one resulting value of y. Therefore, the only value set is:

B