# MATH 250b

## Spring Semester 2008, Section 2, Professor J. M. Cushing

SEMESTER STATISTICS  FOR  HOMEWORK
 Mean Median Maximum Minimum St. Dev. 79.3 % 85 % 96.9 % 54.1 % 13.9 %

16.  Week of April  29
Test #2, Thursday, May 1
SUGGESTED HOMEWORK:
Chapter 8.4, Page 303:    Exercises:  1, 3, 5
Chapter 8.8, Page 329:    Exercises:  1, 3, 5
15.  Week of April  22
SUGGESTED HOMEWORK:
Chapter 5.4, Page 212:    Exercises:  odd 1-25, 34
Chapter 6.1, Page 233:    Exercises:  1, 3, 9(for 1 and 3), 12, 14, 30. 32
Chapter 6.5, Page 256:    Exercises:  odd 17-27
Chapter 8.3, Page 298:    Exercises:  odd 1, 3, 5, 8

14.  Week of April  15
HOMEWORK #10:  Due in class on Thursday, April 24
Chapter 5.3, Page 195:    Exercises:  2, 4, 6, 13, 15
Chapter 5.4, Page 212:    Exercises:  2, 4, 6, 8, 18, 22, 32, 35
Chapter 5.8, Page E-19:  Exercises:   8, 14
SUGGESTED HOMEWORK:
Chapter 5.3, Page 195:    Exercises:  odd 1-9, 14
Chapter 5.4, Page 212:    Exercises:  odd 1-25, 34
Chapter 5.8, Page E-19:  Exercises:  7, 13
13.  Week of April  7
READ:  Chapter 4.3 - 4.4, 5.1 - 5.2
HOMEWORK #9:  Due in class on Thursday, April 17
Chapter 5.1, Page 180:    Exercises:  6-10
Chapter 5.2, Page 191:    Exercises:  2, 4, 10
Chapter 5.6, Page 218:    Exercises:  2, 4, 10, 22
Chapter 5.7, Page 225:    Exercises:  22-25 (note: change 0.02y to 0.2y in the compartmental modeling diagram)
SUGGESTED HOMEWORK:
Chapter 5.1, Page 180:    Exercises:  1-5
Chapter 5.2, Page 191:    Exercises:  odd numbered from 1-15
Chapter 5.6, Page 218:    Exercises:  odd numbered from 1-15
Chapter 5.7, Page 225:    Exercises:  odd numbered from 1-11, 17-21
12.  Week of March 31
HOMEWORK #8:  Due in class on Thursday, April 10
Chapter 4.2.1, Page 147:    Exercises:  5
Chapter 4.2.2, Page 153:    Exercises:  6, 7(b,d,f), 14
Chapter 4.3, Page 164:      Exercises:  4-6, 16
Chapter 4.5, Page 174:      Exercise:   34, 48, 51(b), 55
SUGGESTED HOMEWORK:
Chapter 4.2.1, Page 147:    Exercises:  6
Chapter 4.2.2, Page 153:    Exercises:  5, 7(a,c,d), 11, 13
Chapter 4.3, Page 164:      Exercises:  1-3, 15
Chapter 4.5, Page 174:      Exercise:  28, 47, 49, 51(a), 52, 54
11.  Week of March 24
READ:  Introduction: Preliminaries (pp 1-8), Chapter 4.1
HOMEWORK #7:  Due in class on Thursday, April 3
Introduction: Preliminaries, Page 8:    Exercises:  47, 49, 58, 60, 69, 71, 91, 93, 108, 110
Chapter 4.1, Page 142:                     Exercises:  15, 23
SUGGESTED HOMEWORK:
Introduction: Preliminaries, Page 8:    Exercises:  48, 50, 57, 59, 68, 70, 90, 92, 107, 109
Chapter 4.1, Page 142:                     Exercises:  14, 16, 20, 24

10.  Week of March 17
SPRING BREAK
9.  Week of March 10
Test #1, Tuesday, March 11
Thursday, March 13:  Applications and review of Least Squares method.
8.  Week of March 3
HOMEWORK :  None due on Thursday, March 13

SUGGESTED HOMEWORK:
Chapter summaries and exercises for Chapters 1, 2 and 3.
7.  Week of February 25
HOMEWORK #6:  Due in class on Thursday, March 6
Chapter 3.1.4, Page 101:     Exercises:  6, 8, 12, 20 (draw a bifurcation diagram), 22 (draw a bifurcation diagram), 24 (draw a bifurcation diagram), 30 (draw a bifurcation diagram), 39
Chapter 3.2,   Page 111:      Exercises:  4, 6, 10, 12, 21, 23, 31, 33
Chapter 3.5,   Page 133:      Exercises:  31, 35, 38, 40
SUGGESTED HOMEWORK:
Chapter 3.1.4, Page 101:     Exercises:  odd 1-35, 40
Chapter 3.2,   Page 111:      Exercises:  odd 1-13, even 20-34
Chapter 3.5,   Page 133:      Exercises:  30, 32, 34, odd 37-43
6.  Week of February 18
HOMEWORK #5:  Due in class on Thursday, February 28
Chapter 3.1.2, Page 89:      Exercises:  6, 8, 10, 16, 24
Chapter 3.1.3, Page 91:      Exercises:  6, 8, 10
Chapter 3.5,  Page 133:      Exercises: 19, 21
SUGGESTED HOMEWORK:
Chapter 3.1.2, Page 89:      Exercises:  5, 7, 9, 11, 15, 17, 25
Chapter 3.1.3, Page 91:      Exercises:  3, 8
Chapter 3.5,  Page 133:      Exercises: 3, 5, 7, 9
5.  Week of February 11
HOMEWORK #4:  Due in class on Thursday, February 21
Chapter 3.1.1, Page 81:      Exercises:  3, 5, 7, 9 (use a geometric argument), 11, 13, 15
Chapter 3.1.2, Page 89:      Exercises:  2, 4
Chapter 3.5,  Page 133:      Exercises:  2
SUGGESTED HOMEWORK:
Chapter 3.1.1, Page 81:      Exercises:  even numbered 2-16
Chapter 3.1.2, Page 89:      Exercises:  1, 3
Chapter 3.5,  Page 133:      Exercises:  1
4.  Week of February 4
HOMEWORK #3:  Due in class on Thursday, February 14
Introduction, Page 17:   Exercise 13. Consider the following question: "In the long run, how much salt is there (or equivalently what is the concentration of salt) in the tank?". Answer this question: (a) intuitively, (b) using a computer to draw the graph of the solution to the initial value problem, and (c) by using a formula for the solution.
Chapter 2, Page 53:      Exercises:  even numbered 1-16, 27, 33, 37 (what if a=0?), 41, 43, 45 (what if b=0?), 52, 58, 66
Chapter 2, Page 69:      Exercises:  4, 6, 8, 17
SUGGESTED HOMEWORK:
Chapter 2, Page 53:      Exercises:  odd numbered 1-16, 28, 32, 38, 40, 44, 51, 53, 55, 65
Chapter 2, Page 69:      Exercises:  3, 5, 7
Chapter 2, Page 70:      Exercises:  odd numbered 1-17, odd 31-35
3.  Week of January 28
HOMEWORK #2:  Due in class on Thursday, February 7
Chapter 1, Page 25:   Exercises 10, 16, 21
Chapter 1, Page 30:   Exercises 2, 6, 14, 16
Chapter 1, Page 39:   Exercises 6, 16-18
SUGGESTED HOMEWORK:
Chapter 1, Page 25:   Exercises 9, 11, 13, 18, 25
Chapter 1, Page 20:   Exercises 1, 5, 11, 13, 17
Chapter 1, Page 39:   Exercises 7, 8, 11, 12, 13
2.  Week of January 21
SUGGESTED HOMEWORK:
Introduction, Page 16:   Exercises 10, 12, 19
1.  Week of January 14
HOMEWORK #1:  Due in class on Tuesday, January 29
Introduction, Page 16:    Exercises 2, 4, 6
SUGGESTED HOMEWORK:
Introduction, Page 16:    Exercises 1, 3 (Hint: think about the amount of substrate when applying the balance law), 5, 9