bardo021885 bardo021885 13-03-2020 Mathematics contestada A = {1, 2, 5, 7}B = {3, 4, 6, 7}C = {0, 5, 8, 9} Find A U B. A){0,1,2,3,4,5,6,7,8,9} B){1,2,3,4,5,6,7} C){1,2,3,4,7} D){3,4,5,6,7}