Text Sections 3.9, 4.7 and 4.8
Section 3.9, Problems 1-3, 5, 8, 11, 12, 15, 18, 22, 23, 25, 28, 33, 38
Section 4.7, Problems 1-8, 11, 14, 17, 20, 24, 27, 29, 32, 35, 38, 41
Section 4.8, Problems 1-4, 6, 8, 10, 14, 15, 16, 18, 23, 27, 30, 33, 40