14. Determine whether x 3 is O(g(x))for each of these func-tions g(x). a) g(x) = x 2 b) g(x) = x 3 c) g(x) = x 2 + x 3 d) g(x) = x 2 + x 4 e) g(x) = 3 x f) g(x) = x 3 /2

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours