simmy4l simmy4l 07-05-2020 Mathematics contestada Which of the following relations is a function? A. (2, 1), (-2, 4), (-5, 1), (2, -5) B. (-5, 4), (-2, 6), (-5, 3), (7, 2) C. (-5, 1), (-2, -5), (2, 5), (7, 1) D. (-5, 1), (-2, 4), (2, -5), (-2, 6)