Any help on this would be greatly appreciated.. Thanks!

g(n) = 20.5 1) (4 pts) For each of the following pairs of functions, select the best relationship from the options: f(n) is O(g(n)), f(n) is 12(g(n)), or f(n) is (g(n)) a. f(n) = n0.25; b. f(n) = log na; g(n) = lg n C. f(n) =log logn g(n) = log n d. f(n) = 5000n3+n? g(n) = 0.000001n4 e. f(n) = nlogn + n; g(n) =nva f. f(n) = e"; g(n) = 21 g. f(n) = 2"; g(n) = 2n+1 h. f(n) = n"; g(n) = n