s912614 s912614 20-12-2019 Mathematics contestada Determine which relation is a function. A. {(1,2), (2,3), (3,4), (4,5)} B. {(2,2), (3,2), (4,2), (1,2)} C. {(5,7), (5,8), (5,1), (5,3)} D. {(1,2), (5,8), (1,4), (3,8)}