Mathematics

Homework

Assigned Jan. 10

Sec. 1.1, odd problems 1 - 15.
Sec. 1.2, problems 1, 3, 5, 9, 11.

Assigned Jan. 12

Sec. 1.2, problems 15, 16, 23, 25, 26, 27.
Sec. 1.3, problems 11, 14, 15.

Assigned Jan. 14

Sec. 1.3, problems 3, 5.
Sec. 1.4, problems 1 (just do x = 0.1, 0.2, 0.3), 3 (just do x = 0.1, 0.2, 0.3), 5 (just do x = 1.2, 1.4, 1.6).

Assigned Jan. 19

Sec. 2.2, problems 7, 17, 19.

Assigned Jan. 21

Sec. 2.3, problems 7, 17, 19.

Assigned Jan. 24

Sec. 2.2, problems 1, 3, 9, 11, 13, 21, 23.
Sec. 2.3, problems 1, 3, 5, 15, 21, 30.
Sec. 2.4, problems 1, 3, 5, 9, 11, 13, 15, 16, 17.

Assigned Jan. 26

Sec. 3.2, problems 1, 5, 7. In problem 7, both tanks are initially full, so they both start overflowing immediately. We are not told the amount of salt that is initially in the first tank, so just say the initial amount is A pounds.

Assigned Jan. 28

Sec. 3.2, problems 3, 19.

Assigned Jan. 31

Sec. 3.4, problems 1, 5, 13, 24 (find v(t) only), 25.

Assigned Feb. 2

Sec. 4.2, odd problems 1 - 19.

Assigned Feb. 4

Sec. 4.3, odd problems 1 - 25.

Assigned Feb. 11

Sec. 4.4, odd problems 1 - 31.

Assigned Feb. 14

Sec. 4.5, odd problems 1 - 35.

Assigned Feb. 16

Sec. 4.6, problems 1, 5, 7, 11, 13.

Assigned Feb. 18

Sec. 4.8, problem 1.

Assigned Feb. 21

Sec. 4.8, problems 3, 7, 9.

Assigned Feb. 23

Sec. 4.9, problem 3. Just use undetermined coefficients.
Sec. 7.2, problems 1 and 3. For problem 1 you'll need integration by parts.

Assigned Feb. 25

Sec. 7.2, odd problems 9 - 19.

Assigned Feb. 28

Sec. 7.3, odd problems 1 - 9, 25.

Assigned Mar 2

Sec. 7.4, odd problems 1 - 9, 21, 23, 25.
Sec. 7.5, problems 1, 3, 5.

Assigned Mar 4

Sec. 7.5, problems 7, 19, 21.
Sec. 7.6, problems 1, 5.

Assigned Mar 14

Sec. 7.6, problems 3, odd 7 - 15, 19, odd 29 - 37.

Assigned Mar 16

Sec. 7.6, problems 23, 25, 27.

Assigned Mar 28

Sec. 9.3, problems 1, 3, 5.

Assigned Mar 30

Sec. 9.2, problems 1, 3, 7, 11. Use reduction of the augmented matrix to row-echelon form.
Sec. 9.3, problems 9, 11.

Assigned Apr 1

Sec. 9.3, problems 17, 21, 23, 25, 30, 31, 33, 35, 37, 39.

Assigned Apr 4

Sec. 9.4, problems 1, 3, 9, 11.

Assigned Apr 6

Sec. 9.4, problems 19, 21, 23. (First read bottom of p. 527 and top of p. 528.)

Assigned Apr 8

Sec. 9.5, odd problems 1 - 15.

Assigned Apr 11

Sec. 9.5, problems 6, 16. See Hints and answers for answers.
Sec. 9.6 problems 1, 3, 13a.

Assigned Apr 15

Sec. 9.6, problem 19.
Sec. 9.7 problems 11, 13, 15, 21a.

Assigned Apr 25

Pages 35 - 36, problems d, e, f.
Sec. 5.4, problems 1, 3, 11, 19, 29 a-e.
Sec. 12.2, problems 1, 3, 5.

Assigned Apr 27

Sec. 12.2, problems 13, 15. Use eigenvalues and eigenvectors to sketch the phase plane.
Sec. 12.3, problems 9, 11, 21.

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