Math 167 - Precalculus

Spring 2012

Welcome to Precalculus! This is the place to check for handouts, assignments, and demos.

Handouts

• Syllabus
• Review for Exam 1
• Review for Exam 2
• Some trig problems
• Review for Exam 3
• Review problems for the final exam

Demos

All demos are built with a combination of Mathematica and Wolfram|Alpha. UNCA students and faculty can get a free copy of Mathematica here. If you don't have a copy of Mathematica yet, you can always view the demonstrations using Wolfram Research's free CDF Player.

• The groovy class randomizer
• Transformations and graphs
• Sinusoids | PDF
• Sinusoid solution | PDF

Assignments

• Monday, January 9
  1. Jeff can walk comfortably at 3 miles per hour. Find a linear function \(d\) that represents the total distance Jeff can walk in \(t\) hours, assuming he doesn’t take any breaks. How long will it take him to walk 5 miles?
  2. A landscaping company charges \$45 per cubic yard of mulch plus a delivery charge of \$20. Find a linear function which computes the total cost \(C\) (in dollars) to deliver \(x\) cubic yards of mulch.
• Wed, Jan 11
  • Section 1.1 (starting on page 14 of our book): Problems 1-12, 20-24, 30, 31, and
  • Checkpoint quiz 1-1
  You can watch the checkpoint quiz worked out on YouTube.
• Fri, Jan 13
  • Section 1.2 Problems 1, 3, 7, 13, 21, 22, 47, 49, 51
  • Section 1.3 Problems 9, 10, 15, 16, 22, 23, 24, 33, 36
  • Checkpoint quiz 1-3
• Wed, Jan 18
  • Section 1.4 Problems 1, 5, 9, 12, 14, 16, 17, 27, 30, 32
  • Checkpoint quiz 1-4
• Mon, Jan 23
  • Section 1.4 Problems 37-49 (odd), 52, 58
  • Section 1.6 Problems 1-4, 24-27, 42-73 (all related)
  • Checkpoint quiz 1-7
• Wed, Jan 26
  • Section 1.7 Problems 1,2, 14,15, 19-42, 54-48 (all related)
  • Checkpoint quiz 1-8
• Mon, Jan 30 - Section 2.3: 1-9, 33
• Mon, Feb 6
  • Section 3.1 Problems 1-27 (odd), 33
  • Checkpoint quiz 3-1
• Wed, Feb 8
  • Section 3.2 Problems 31, 32, 33, 41, 42, 43
  • Section 4.1 Problems 1-15, 19
  • Checkpoint quiz 4-1
• Thurs, Feb 9
  • Section 4.2 Problems 1-9 (odd), 33
  • Checkpoint quiz 4-2
• Mon, Feb 13
  • Section 5.1 Problems 1-21 (every 4th), 31, 32, 33, 56, 57
  • Checkpoint quiz 5-1
• Wed, Feb 15
  • Section 5.2 5-19 (odd), 28
  • Checkpoint quiz 5-2
• Mon, Feb 20
  • The exponent problems off of this handout
• Thurs, Feb 23
  • The exponential problems off of this handout
• Fri, Feb 24
  • Section 6.1 Problems 1-49 (every fourth) 71, 72, 73
• Wednesday, March 14
  • Some trig problems
• Monday, March 19
  • Section 10.1 Problems 33-40, 52, 53
  • Section 10.2 Problems 5, 9, 13, 17, 21, 25, 31, 38
  • Section 10.5 Problems 1-11
• Wednesday, March 21
  • Section 10.3 Problems 1-13, 21, 27, 43, 87
• Monday, April 2
  • Section 11.1: Problems 8 and 9
• Monday, April 12
  • Section 11.2 and 11.3: Problems 1-24 (both sections)
• Thursday, April 16
  • Section 9.2 Problems 33-38
• Monday, April 16
  • Section 9.1 Problems 1,3,7,9,13, 22,26,28