21-122 F/G Integration, Differential Equations, and Approximation: fall 2011

Recitation instructor Brian Kell
E-mail bkell@cmu.edu
Office Wean Hall 6211
Office hours
  • Wednesdays, 1:00–3:15;
  • Fridays, 11:00–1:00;
  • or by appointment.

Final exam

The final exam will be held from 8:30 to 11:30 a.m. on Tuesday, December 20, in Doherty Hall 2210, 2315, and 2302. It is a cumulative exam. More information is available on the final exam review page.

Suggested problems

Dr. Handron sends the TA’s a list of suggested problems for each recitation. Generally we do not have time to cover all of these problems in class, so here is a list of all of Dr. Handron’s suggested problems.

Date Exercises from the textbook
Tuesday, August 30 The product rule: Section 2.4, problems 1, 3, 35.
The quotient rule: Section 2.4, problems 11, 15, 19, 25.
The chain rule: Section 2.5, problems 1, 3, 7, 9, 23.
The substitution rule: Section 5.5, problems 5, 7, 11, 25.
Thursday, September 1 Section 6.1, problems 3, 7, 11, 13, 17, 31, 33, 37, 43.
Tuesday, September 6 Section 6.2, problems 3, 9, 15, 21, 25, 27, 29, 31.
Thursday, September 8 Section 6.2, problems 37, 39, 40, 41, 45, 47, 55, 57.
Tuesday, September 13 Section 6.3, problems 3, 5, 9, 15, 23, 27.
Thursday, September 15 Chapter 6 review, problems 5, 7, 9, 11, 13, 15, 17.
Tuesday, September 20 Section 6.5, problems 1, 3, 5, 17, 19, 31.
Thursday, September 22 Section 6.6, problems 1, 5, 11, 19, 25, 29, 41, 43, 47, 51.
Tuesday, September 27 Review for exam. Suggested review problems.
Thursday, September 29 No recitation.
Tuesday, October 4 Section 7.6, problems 3, 5, 7, 21, 23.
Thursday, October 6 Section 7.6, problems 23, 35, 45; example 5.
Tuesday, October 11 Use the phase line to investigate Section 7.6, problems 33, 35, 37, 39, 42.
Thursday, October 13 Linear differential equations supplement, problems 1, 3, 5, 9, 17, 18, 19.
Tuesday, October 18 Second-order linear differential equations supplement, problems 1, 5, 7, 9, 19, 21, 23, 27, 31.
Thursday, October 20 Section 8.1, problems 1, 5, 7, 21, 25, (31, 39, 41).
Tuesday, October 25 Section 8.1, problems 9, 11, 13, 17, 39.
Thursday, October 27 Review for exam. Suggested review problems.
Tuesday, November 1 Section 8.1, problems 11, 13, 19, 23.
Section 8.2, problems 1, 3, 7, 27.
Thursday, November 3 Section 8.2, problems 11, 13, 21, 25, 27, 31.
Tuesday, November 8 Section 8.3, problems 1, 3, 5, 11, 13, 17, 23, 27, 33, 35.
Thursday, November 10 Section 8.3, problems 25, 36, 39, 41.
Tuesday, November 15 Section 8.4, problems 1, 3, 5, 11, 13, 17, 23, 25, 27, 31, 35, 37, 41.
Thursday, November 17 Review for exam. Suggested review problems.
Tuesday, November 22 No recitation.
Thursday, November 24 Happy Thanksgiving!
Tuesday, November 29 Section 8.6, problems 1, 5, 9, 13, 23, 25, 29, 33.
Section 8.7, problems 1, 3, 5, 9, 11, 15, 17.
Thursday, December 1 Section 8.7, problems 9, 21, 17, 27.
Tuesday, December 6 Section 8.7, problems 55, 57.
“Using series to solve differential equations” supplement, problems 3, 5, 11.
Thursday, December 8 Last recitation. Questions and review; no particular suggested problems. Final exam review.

Exam grade cutoffs

Exam 1, Sept 28 Exam 2, Oct 31 Exam 3, Nov 21 Average cutoff
A 80 85 75 80
B 70 75 65 70
C 55 65 55 58.33
D 40 50 35 41.67

Additional resources


Last updated 15 December 2011. Brian Kell <bkell@cmu.edu>