What is the big(O) for each of the following functions? Find the smallest for each. a) 8n^7 + 3n^9 + 4n + 2 b) 2n^3 + 4n^2 - 7 c) (2n - 1)(n + 3)/(n + 2) d) (3n + 3)(2 - lg n) e) for i = 1 to 8n x = x - 5 f) y = n while y > = 1) x = x + 6 y = y/2 g) x = 0 for y = 1 to n for z = 1 to y x = x +3