The purpose of the second part of the lab is to reinforce algorithm efficiency concepts. Specifically, answer the following questions showing your work. The analysis can be submitted as a word document. a. Each of the following are formulas for the number of operations in some algorithm. Express each formula in big- O notation. a. 3n3 + 2n2-4 b. 17n 4+3 n4 b. What is meant by best-case analysis? c. What is the worst-case big-O analysis of the following code fragment? for (i = 0; i