For each of the following pairs of functions, either f(n) is in O(g(n)), f(n) is in 2(g(n)), or f(n)=(g(n)). Determine which relationship is correct and briefly explain why. 1. f(n) = log (n?); g(n) = log (n) + 5 2. f(n) = Vn; g(n) = log(n?) 3. f(n) = log2 (n); g(n) = log (n)