4.5 Maple Problems: 1, 2abcd, 3. (Bonus problem: 2e) 5.2 Maple Problems: 1, 2, 4, 5. 5.2 Pencil and Paper Problems: 2, 4, 6, 7, 8, 11, 12, 19bc, 21. 5.3 Pencil and Paper Problems: 2, 3, 5.