Section 2.1: Exercises 1, 4, 13, 20, 22, 27, 28, 30, 31.
Section 2.2: Exercises 10, 18, 22, 27, 35.
Section 2.5: Exercises *14, *17.
Note: Problems marked with a * are presentation problems. See the course syllabus for a explanation of what this means.