2 Chapter 2, section 8, page 41

2.1 problem 1
2.2 problem 2
2.3 problem 3
2.4 problem 4
2.5 problem 5
2.6 problem 6
2.7 problem 7
2.8 problem 8
2.9 problem 9
2.10 problem 10
2.11 problem 11