2 Chapter 1, section 1.3. Exercises page 22

2.1 problem 1
2.2 problem 2(a)
2.3 problem 2(b)
2.4 problem 3(a)
2.5 problem 4(a)
2.6 problem 4(b)
2.7 problem 4(c)
2.8 problem 5
2.9 problem 6(a)
2.10 problem 6(b)
2.11 problem 8