evettyoung15 evettyoung15 28-08-2017 Mathematics contestada If f={(5,1),(6,2),(7,3),(8,1),(9,7)}, then the range of F is... A- {(1,5),(2,6),(3,7),(1,8),(7,9)} B- {1, 2, 3, 7} C- {5, 6, 7, 8, 9}