Due 4/2
 Section 7.1: 3, 4, 7, 9 (5 pts each)
 Section 7.3: 5, 10, 15, 28, 37 (8 pts each)
 Section 7.4: 6, 16 (8 pts each)
 Section 7.6: 8, 11, 23 (8 pts each)