rdossantosbarreto rdossantosbarreto 01-06-2020 Mathematics contestada Which of the following closed sets of ordered pairs is not a function? A {(3, 2), (4, 6), (5, 8)} B {(2, 1), (3, 2), (4, 3)} C {(1, 2), (2, 5), (1, 3)} D {(2, 4), (5, 3), (4, 1)}