Homework 9 (due Friday, April 6)

Section 3.9, Problems 1,5,8,11,14,21

Section 4.1, Problems 1,7,10,14,16,20,43,45,47,50,54,56

Section 4.2, Problems 1,4,14,16,18,20,24,26,28

Extra Credit, Section 4.2, Problem 33