10.4 Section 2.5. Page 88

10.4.1 problem 1
10.4.2 problem 3
10.4.3 problem 4
10.4.4 problem 5
10.4.5 problem 6
10.4.6 problem 7
10.4.7 problem 9
10.4.8 problem 10
10.4.9 problem 11
10.4.10 problem 12
10.4.11 problem 13