Math 42
Fall 2015

Math 42 Schedule

Home Course Schedule Homework Syllabus Resources
Homework assignments:
Homework 1
Solutions

Discussion problems:

  • 5.2: 31, 35, 37
  • 5.3: 5, 9, 15, 21, 31, 41 (no graphing), 53
  • 5.5: 7, 13, 15, 17, 24, 55, 68
  • 5.6: 3, 4, 10, 12, 13, 17, 25
  • 5.10: 1, 2, 5, 7, 11, 26, 43
Assigned/graded problems:
  • 5.2: 34
  • 5.3: 22
  • 5.5: 19, 36
  • 5.6: 5, 9, 16, 29
  • 5.10: 6, 9, 13, 29

Homework 2
Solutions

Discussion problems:

  • 4.5: 28, 31
  • 5.10: 19, 30, 32, 33, 38, 47, 50
  • 8.1: 13, 14, 15, 31, 44 (see Wikipedia), 47, 50
  • 8.2: 10, 11, 25, 27, 30, 35
Assigned/graded problems:
  • 4.5: 25
  • 5.10: 31, 39, 44, 46, 55
  • 8.1: 16, 18, 29, 34, 49
  • 8.2: 9, 12, 20, 23, 41

Homework 3
Solutions

Discussion problems:

  • 8.3: 3, 4, 5, 6, 9, 15, 17, 18, 33, 40
  • 8.4: 1ab, 2, 5, 6, 29, 34, 37
  • 8.5: 3, 4, 8, 12, 24, 33, 34, 35
Assigned/graded problems:
  • 8.3: 8, 19, 26, 39
  • 8.4: 9, 13, 27, 32
  • 8.5: 6, 7, 11, 23

Homework 4
Solutions

Discussion problems:

  • 8.6: 1, 2, 3, 5, 9, 37
  • 8.7: 2, 3, 4, 7, 28, 34
  • 8.8: 15, 17, 24, 25, 27
Assigned/graded problems:
  • 8.6: 6, 11, 13, 38
  • 8.7: 9, 21, 27, 64
  • 8.8: 14ab, 23, 26

Homework 5
Solutions

Discussion problems:

  • 5.7: 19, 20
  • 5.9: 17bc, 37, 42
  • 6.1: 1, 2, 3, 4, 5, 9, 11, 14
  • 6.2: 32, 34, 37
Assigned/graded problems:
  • 5.7: 22, 23
  • 5.9: 18bc, 20, 36
  • 6.1: 7, 8, 18, 27, 45
  • 6.2: 31, 33
  • (May use computer) 5.7: 15, 16

Homework 6
Solutions

Discussion problems:

  • 6.2: 1, 2, 3, 4
  • 6.3: 3, 13, 15, 16
  • 6.4: 3 and 4 (setup only), 14, 32
Assigned/graded problems:
  • 6.2: 12, 15
  • 6.3: 5, 33
  • 6.4: 9, 11
  • (May use computer) 6.4: 25

Homework 7
Solutions

Discussion problems:

  • 6.5: 1, 2, 3
  • 6.6: 46 (centroid=center of mass), 47
  • 6.8: 1, 2, 7, 14
Assigned/graded problems:
  • 6.5: 6, 7, 17
  • 6.6: 45 (centroid=center of mass), 51b
  • 6.8: 5, 10
  • (May use computer): 6.8: 15

Homework 8
Solutions

Discussion problems:

  • 7.1: 1, 2, 4, 10
  • 7.2: 1, 2, 3-6, 11, 13
  • 7.3: 1, 3, 9, 11
  • 7.4: 1, 2, 8, 10
Assigned/graded problems:
  • 7.1: 3, 9, 13
  • 7.2: 9, 12, 14
  • 7.3: 2, 7, 12, 47
  • 7.4: 3, 9

Homework 9
Due: Solutions

Discussion problems:

  • 7.4: 15, 19, 21
  • 7.5: 1, 2, 8, 17, 18
  • 7.6: 2, 3, 4, 12
Assigned/graded problems:
  • 7.4: 16, 22
  • 7.5: 5, 19 (in part b, only think about the limit, but feel free to use a computer to help figure this out)
  • (May use computer): 7.5: 20
  • 7.6: 5, 9, 10, 11
  • Chapter 7 review: 24

Fall 2015 -- Department of Mathematics, Stanford University
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