drgold drgold 16-12-2020 Mathematics contestada Does each relation represent a function? Choose Yes or No. (1, 3), (2, 5), (2, 7), (4, 9) (1, 3), (2, 5), (3, 7), (4, 9) (1, 3), (1, 5), (1, 7), (1, 9) (1, 3), (2, 3), (3, 3), (4, 3)