2. For an AVL tree with 2021 nodes, let x be the minimum possible height, y be the maximum height, then (y-x) mod 5 is (A)0 (B) 1 (C)2 (D)3 (E) 4

Please choose the best possible answer in each of the following questions. In questions that ask for time complexities, please choose the tightest bound. 1. Consider the following five recursive functions: (A)(B) (C)(D)(E) Which recursion yields the highest asymptotic complexity for T(n)?