1 Chapter 2, section 7, page 37

1.1 problem 1.a
1.2 problem 1.b
1.3 problem 1.c
1.4 problem 1.d
1.5 problem 1.
1.6 problem 3.a
1.7 problem 3.b
1.8 problem 5.a
1.9 problem 5.b