MATH 143 008 (11529) Assignment Page -- Spring 2008

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MATH 143 008 (11529) Assignment Page -- Spring 2008

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Last modification: Monday, 05-May-2008 14:42:44 MDT

Review Notes for the Final Exam Monday, 5/12/08
Posted: Mon May 5 14:42:07 MDT 2008
Rev4 is live.

Assignment #29 (Due Wednesday, 5/7/08)
Posted: Mon May 5 14:02:48 MDT 2008
Not-to-hand-in part:

3.4: 57-69 (solving real-coefficient quadratics with complex zeros)
3.4: 35, 39, 41, 49, 53, 55
To-hand-in part:

3.4: 24, 38, 44, 48, 52, 56, 64

Assignment #28 (Due Monday, 5/5/08)
Posted: Fri May 2 16:41:39 MDT 2008
Not-to-hand-in part:

3.3: 35 is a good warm-up
To-hand-in part:

3.3: 36, a problem quite similar to the one we did in class on Friday, 5/2/08

Assignment #27 (Due Wednesday, 4/30/08)
Posted: Fri Apr 25 15:08:07 MDT 2008
Corrected: Fri Apr 25 15:15:50 MDT 2008
Problem 24 Corrected and Changed: Tue Apr 29 15:54:07 MDT 2008
Not-to-hand-in part:

In examples 1, 2, 3 in 4.5, you need your calculator to cope with the e-ness of things. But, in examples 5, 6, and 7, you do NOT need a calculator to arrive at a formula for the quantity as a function of time. Can you do it?
4.5: 7, 9, 15, 17, 19, 21, 25 (Without a calculator and without e?)
To-hand-in part:

4.5: 6, 8, 10, 14, 22
Modify problem 4.5: 24 by removing the sentence "It has been ... measured in hours" and replacing it with these data:

At 6 AM the body temperature was 81°F
At 10 AM the body temperature was 74°F
We have also to change parts (a) and (b):

Find a function T(t) that models the temperature t hours after 6 AM.
How long ago was the time of death?

Assignment #26 (Due Friday, 4/25/08)
Posted: Wed Apr 23 10:28:13 MDT 2008
Not-to-hand-in part:

4.4: 1-25 odds (solving exponential equations)
Although the back of the book gives only decimal approximations to the algebraic solutions, your instructor is obsessed with the algebraic solutions. He'd just as soon you gave no decimal answers at all -- just use the BOB decimal answers to check your algebraic answers.
To-hand-in part:

4.4: 10, 12, 22, 24

Assignment #25 (Due Monday, 4/21/08)
Posted: Fri Apr 18 14:40:33 MDT 2008
Not-to-hand-in part:

4.3: odds 1-47 on expanding and condensing using the Laws of Logarithms.
To-hand-in part:

4.3: 8, 10, 12
4.3: 22 (ambiguous!)
4.3: 24, 28, 32
4.3: 40, 42, 44, 46, 52

Review Notes for Test #3 Wednesday, 4/23/08
Posted: Fri Apr 18 05:02:06 MDT 2008
In the strip of LINKS across the top of this page, note

the Old Tests button
the button Rev3, which points to an evolving collection of review suggestions and problems.

Monday 4/14/08 In-Class Quiz
Posted: Mon Apr 14 13:23:14 MDT 2008
Key Posted: Wed Apr 16 16:12:33 MDT 2008
Questions here.
Answers here. maybe.
Rework the quiz to hand in on Wednesday, 4/16/08. This will add points to your homework total.

Assignment #24 (Due Friday, 4/18/08)
Posted: Mon Apr 14 12:17:30 MDT 2008
Due Date Bumped: Mon Apr 14 13:26:11 MDT 2008
Not-to-hand-in part:

4.2: 1-13 odds (Putting yourself through the hoops on what a logarithm is. Do two or three of these.)
4.2: 15-31 odds (Do lots of these no-calculator problems!)
4.2: 37, 39
4.2: 49-57 odds (section 2.4 review)
To-hand-in part:

4.2: 16, 22, 24
4.2: 38, 40
4.2: 41-46 (matching)
4.2: 54, 56

Assignment #23 (Due Monday, 4/14/08)
Posted: Fri Apr 11 12:20:31 MDT 2008
Not-to-hand-in part:

4.1: 27, 29, 31, 35, 37
4.1: 39
4.1: 77
4.2: 1-13 odds
To-hand-in part:

4.1: 28, 30, 34, 38, 40
4.1: 76, 78
4.2: 6, 10

Assignment #22 (Due Friday, 4/11/08)
Posted: Wed Apr 9 14:15:42 MDT 2008
Not-to-hand-in part:

4.1: 1, 3, 9, 15, 17
4.1: 73, 75 (see example 9)
GCM page 223: problem 1
To-hand-in part:

4.1: 2 (a calculator problem!)
4.1: 12, 16, 18
4.1: 19-24 all (matching)

Monday 4/7/08 In-Class Quiz
Posted: Mon Apr 7 13:23:40 MDT 2008
Key Posted: Wed Apr 9 13:57:25 MDT 2008
Questions here.
Answers here, maybe. Rework the quiz to hand in on Wednesday, 4/9/08. This will add points to your homework total.

Assignment #21 (Due Wednesday, 4/9/08)
Posted: Fri Apr 4 12:27:23 MDT 2008
Not-to-hand-in part:

3.6: 37, 47, 57, 63
3.6: 47 especially
To-hand-in part:

3.6: 38, 42, 48, 52, 58, 64

Assignment #20 (Due Friday, 4/4/08)
Posted: Wed Apr 2 16:15:21 MDT 2008
Odd-Problem BOB Posted: Thu Apr 3 13:17:42 MDT 2008
This assignment is about using long division on rational functions which are quotients of degree-one polynomials. The Wednesday, 4/2/08, class presentation was mostly taken up with this.
For each problem mentioned below,

Use long division to provide the alternative formula for the given function. Write this formula down with a lead-in.
Use your alternative formula to graph the function as we did in class. The function will be a transformation of the y = 1/x hyperbola. On your graph, label the following salient features with their coordinates or equations as appropriate:

The horizontal asymptote, which you indicate by a dashed line.
The vertical asymptote, which you indicate by a dashed line.
The x-intercept(s)
The y-intercept(s)

Use the alternate formula to find the inverse of the given function as we did in class on Wednesday, 4/8/08.
The grading rubric will be looking for only the above items.
Not-to-hand-in part:

3.6: 1, 5, 29, 31, 33, 35
Click here for an odd-problem BOB list for these odd-numbered problems done according to the Assignment-#20 directions, which differ from the text-book directions.
To-hand-in part:

3.6: 2, 16, 28, 30, 36

Assignment #19 (Due Wednesday, 4/2/08)
Posted: Mon Mar 31 12:28:00 MDT 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

3.1: 23-35 odds
3.2: 1-21 odds and 29, 33, 37, 43, 49, 63, 65
To-hand-in part:

3.1: 24, 28, 30, 34
3.2: 12, 18, 38, 44, 64, 66

Assignment #18 (Due Monday, 3/31/08)
Posted: Fri Mar 21 12:25:36 MDT 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

3.1: 11-21 odds
To-hand-in part:

3.1: 5-10 all
3.1: 12, 16, 20

Friday 3/14/08 In-Class Quiz
Posted: Fri Mar 14 13:24:00 MDT 2008
Key Posted: Mon Mar 17 13:43:30 MDT 2008
Questions here.
Answers here, maybe.

Assignment #17 (Due Friday, 3/21/08)
Posted: Fri Mar 14 12:21:09 MDT 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

2.8: 1, 3, 5 (from the graph of f: does f have an inverse?)
2.8: 7, 9, 11, 13, 15 (from a formula for f(x): does f have an inverse?)
2.8: 17, 19 (know-where-to-kick problems)
2.8: 21-29 odds (blue box at the bottom of page 227)
2.8: 31-49 odds (finding inverses by algebra)
To-hand-in part:

2.8: 18, 24, 29, 38, 42, 44
2.8: 70
Page 235: 48 (six separate graphs -- label bends and endpoints with their coordinates)
3.1: 2, 4

Assignment #16 (Due Monday, 3/17/08)
Posted: Fri Mar 14 11:44:14 MDT 2008
Questions Finally Posted: Fri Mar 14 18:08:13 MDT 2008
This is a follow-up on #14. Click here for the questions.

Review Notes for Test #2 Wednesday, 3/19/08
Posted: Tue Mar 11 14:56:40 MDT 2008
In the strip of LINKS across the top of this page, note

the Old Tests button
the button Rev2, which points to an evolving collection of review suggestions and problems.

Assignment #15 (Due Friday, 3/14/08)
Posted: Tue Mar 11 12:43:24 MDT 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

2.7: 17-41 odds
To-hand-in part:

Page 236: 56
2.7: 4, 10
2.7: 18, 20, 22
2.7: 24, 26, 28
2.7: 34, 36, 40

Difference-Quotient Review Problems
Posted: Mon Mar 10 14:59:04 MDT 2008
One of the big deals for Test #2 next week is Simplifying Difference Quotients. You'll be expected to know the difference-quotient formula (called DQ in this problem set). You don't need to worry about memorizing the TI, SYM, and ANT, but you do need to know DQ, and how to simplify it.
Questions here.
Answers here, maybe.

Assignment #14 (Due Wednesday, 3/12/08)
Posted: Mon Mar 10 12:14:49 MDT 2008
To-hand-in:

2.6: 23 changed: assume the farmer has $13,000 to buy fencing. Suppose, moreover, that the fence parallel to the river costs $6 per foot, while the other fencing costs $10 per foot. Find the dimensions and area of the largest-area field he can enclose.
2.6: 24
2.6: 24 changed: the rancher has a $20,000 fencing budget. The outer fencing costs $12 per foot, while the internal dividers are to be built with fencing that costs only $10 per foot.
2.6: 27 changed: change "3000" to "4500" and be sure to show a demand function which expresses y, the number attending, in terms of x, the price of one ticket.

Friday 3/7/08 In-Class Quiz
Posted: Fri Mar 7 13:21:34 MST 2008
Key Posted: Mon Mar 10 13:36:49 MDT 2008
Questions here.
Answers here, maybe.

Assignment #13 (Due Friday, 3/7/08)
Posted: Mon Mar 3 12:23:12 MST 2008
Due Date Bumped top Friday After Class: Mon Mar 3 13:40:39 MST 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

2.5: 5-37 odds
2.5: 39
To-hand-in part:

2.5: 16, 18, 26, 28
2.5: 40
2.5: Redo 40 with the point (1, -8) changed to (1, +8).
2.5: Redo 40 with the vertex at (1, +20).
2.5: Redo 40 with the point (1, -8) changed to an x-intercept at x = -7.
2.5: Redo 40 with the point (1, -8) changed to a y-intercept seven units below the x-axis.

Friday 2/29/08 In-Class Quiz
Posted: Fri Feb 29 13:50:19 MST 2008
Key Posted: Tue Mar 4 13:59:42 MST 2008
Questions here.
Answers here, maybe.

Assignment #12 (Due Monday, 3/3/08)
Posted: Thu Feb 28 13:38:28 MST 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

2.4: 11-17 odds. Red-graph function g has a graph which is a section-2.4 transformation of the blue graph of function f.
Your job is to write a formula for g(x) in terms of f(x).
2.4: 19. Here they give you a mess of formulas, and want to know how their graphs look, given the red graph of f.
2.4: 23-31 odds and 1-9 odds
2.4: 33-47 odds. These problems are the most important ones. They mix page 166 with the section-2.4 transformations.
To-hand-in part:

2.4: 12, 14, 16, 18
2.4: 20 (Six separate graphs with bends labeled with their coordinates. No fair superimposing multiple sketches on one graph!)
2.4: 34, 40, 42, 44, 46, 48

Wednesday 2/27/08 In-Class Quiz
Posted: Mon Feb 25 13:46:08 MST 2008
Questions Posted: Wed Feb 27 13:38:49 MST 2008
Key Posted: Tue Mar 4 14:01:39 MST 2008
This quiz checks into your knowing the famous page-166 collection of functions and their graphs:

given the graph, write the equation and
given the equation, draw the graph.
Questions here.
Answers here, maybe.

Assignment #11 (Due Friday, 2/29/08)
Posted: Mon Feb 25 12:16:05 MST 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

2.2: 39, 41, 43, 45, 47, 49 (be sure your final result passes the VLT!)
To-hand-in part:

2.2: 24
2.2: 38, 42, 48, 50
2.2: 54
2.3: 26, 28

Assignment #10 (Due Monday, 2/25/08)
Posted: Fri Feb 22 12:06:24 MST 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

2.1: 13-19 odds
2.1: 21, 23, 25, 27
2.1: 33, 35
2.1: 45-57 odds (1.7 review problems)
To-hand-in part:

2.1: 24, 28, 30, 34, 44, 52, 56

Review Notes for Test #1 Wednesday, 2/20/08
Posted: Wed Feb 13 16:28:29 MST 2008
In the strip of LINKS across the top of this page, note

the Old Tests button
the button Rev1, which points to an evolving collection of review suggestions and problems.
The promised list of suggested odd-numbered problems will begin growing in item 5 at the Rev1 link.

Optional Extra Credit #9 (Due Wednesday, 2/20/08)
Posted: Wed Feb 13 12:19:48 MST 2008
Click here for story problems following up on Assignment #6.
These were hurriedly written up, so there may be errors. Email me if you think you've found an error.

Monday 2/11/08 In-Class Quiz
Posted: Mon Feb 11 13:49:41 MST 2008
Key Posted: Wed Feb 13 13:39:23 MST 2008
Questions here.
Answers here, maybe.

Assignment #8 (Due Friday, 2/15/08)
Posted: Mon Feb 11 12:14:13 MST 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

1.8: 3-11 odds (midpoints and distances)
1.8: 81-87 odds
1.8: 89-97 odds
1.8: 103
To-hand-in part:

1.8: 82, 84, 86, 88
1.8: 90, 94, 102

Friday 2/8/08 In-Class Quiz
Posted: Fri Feb 8 15:19:15 MST 2008
Answer Key Posted: Mon Feb 11 13:45:59 MST 2008
Questions here.
Answers here, maybe.

Assignment #7 (Due Wednesday, 2/13/08)
Posted: Fri Feb 8 12:14:38 MST 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

1.7: 67, 69, 71, 73, 75, where the trick is to change the absolute-value inequality to a three-sided inequality like 21, 23, 25, 27.
1.7: 65 and GCM 197: 11, where one approach is the old complement trick.
1.7: Non-linear inequalities: 33, 35, 37, 39, 41, 45
1.7: More non-linear inequalities: 49, 53, 57, 59, 61
To-hand-in part:

1.7: 36, 48, 54, 58, 60, 62
1.7: 68, 70, 74, 76

Assignment #6 (Due Monday, 2/11/08)
Posted: Wed Feb 6 12:06:29 MST 2008
Due Date Bumped to Monday: Wed Feb 6 13:59:39 MST 2008
In section 1.6 we cover only problems related to

areas,
volumes,
Pythagoras's Theorem and
the Similar-Triangles Theorem.
This means we only look at examples 3, 4, and 5 in section 1.6.
Not-to-hand-in part:

1.6: 35, 37, 41, 45, 47, 49
To-hand-in part:

1.6: 34, 36, 42, 50
Page 132: 84 (solution needs a labeled diagram)

Assignment #5 (Due Wednesday, 2/6/08)
Posted: Mon Feb 4 12:27:31 MST 2008
Revised After Class:: Mon Feb 4 13:56:55 MST 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

See sections 1.4 and 1.5 not-to-hand-ins.
To-hand-in part:

Page 132: 57, 58, 60
1.5: 82, 84, 92

Friday 2/1/08 In-Class Quiz
Posted: Fri Feb 1 14:36:05 MST 2008
Answer Key Posted: Mon Feb 4 13:59:56 MST 2008
Questions here. Answers here, maybe.

Assignment #4 (Due Monday, 2/4/08)
Posted: Fri Feb 1 12:06:49 MST 2008
Modified: Fri Feb 1 13:25:54 MST 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

Get so you can write down a derivation of the quadratic formula.
1.5: 1, 3, 17, 19, 21
1.5: 23-35 odds
1.5: 37-67 odds that are also multiples of three.
The real stuff of the section: 1.5: 75-97 odds
To-hand-in part:

1.5: 30, 34, 64, 78, 80

Assignment #3 (Due Friday, 2/1/08)
Posted: Mon Jan 28 12:18:39 MST 2008
Corrected: Wed Jan 30 10:31:05 MST 2008
Not-to-hand-in part. Raise questions at the start of class if your answer doesn't agree with the BOB answer. You can give us all a head start on answering questions if you start writing up the question on the board before class.

1.4: Multiply: 17, 19, 21, 23, 27
1.4: LCD: 31-49 odds (very important)
1.4: Complex Fractions: 51-63 odds
1.4: Rationalize: 73-83 odds
To-hand-in part:

1.4: 26, 46, 50, 58, 62, 78
GCM 192: 12 (in the Graphing-Calculator Manual -- sketch the graph on your paper)
GCM 193: 8 (show the graph)

Friday 1/25/08 In-Class Quiz
Posted: Fri Jan 25 14:57:47 MST 2008
Answer Key Posted: Fri Feb 1 13:24:14 MST 2008
Questions here. Answers here.

Assignment #2 (Due Wednesday, 1/30/08)
Posted: Wed Jan 23 12:07:23 MST 2008
Layout Corrected: Fri Jan 25 10:22:26 MST 2008
Due Date Bumped: Fri Jan 25 13:29:00 MST 2008
To hand in at the start of class:

1.3: 11, 17, 21, 25, 27, 37
1.3: 45, 53, 55, 57, 63, 67, 69, 75
1.3: 83, 85, 91, 93, 97, 101, 103

The First Day's Study Suggestions and Assignments
Posted: Fri Jan 18 15:13:59 MST 2008
Title Corrected: Sat Jan 19 06:06:47 MST 2008
Click here.

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Last modification: Monday, 05-May-2008 14:42:44 MDT