ufhuwhfuishfy ufhuwhfuishfy 24-01-2018 Mathematics contestada Which relation is a function? A. (3,-2), (4,6), (-2,6), (3,1) B. (-1,4), (3,2), (4,-2), (2,4) C. (2,-7), (-8,2), (2,4), (-1,5) D. (2,2), (-3,-4), (-3,1), (-2,1)