masterlukey12 masterlukey12 23-10-2020 Mathematics contestada Which relation is also a function? A {( 5, 8), (5, 9), (8, 9), (10, 8)} B {( 5, 8), (7, 9), (8, 9), (10, 8)} C {( 5, 8), (7, 9), (7, 5), (10, 8)}