Text sections 2.1 and 2.2:
Section 2.1 Problems 1, 2, 3, 6, 7, 9, 11, 14, 16, 17, 20, 23
Section 2.2 Problems 2-7, 9, 10, 13, 16, 17, 20, 23, 27, 29, 32, 35, 38, 41