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partial list
of topics for Math 121 with a sample problem that illustrates each topic. Work the problem and click on the Answer button to see how
you did. |
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Applications
for Functions |
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Logarithms and their Applications |
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A wildebeest population is estimated
at 12,000 with an annual growth of 5.32% a) What will be the population in 8.5 years? b)
When did the population reach 10,000? |
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The Mathematics of
Finance |
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An investment earns 4.5% compounded
quarterly. After seven years, there is a total of $8891.04 in the
account. What was the original investment (principle)? |
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A family invests $150 each month into
an account which pays 7.2% compounded monthly. If their goal is to reach a
total of $10,000, how long will this take? |
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Tony wishes to pay off a $5000 debt by
making equal monthly payments over three years. To do so, he will be
charged 9.6% compounded monthly on the unpaid balance. What will his
monthly payment be? |
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Systems of Linear
Equations |
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A vending machine in a shopping mall
sells first class stamps for 40 cents and post card stamps for 25
cents. On Monday, it sold a total of 103 stamps for $38.80, and on
Tuesday, it sold a total of 181 stamps for $68.20. How many of each
type was sold on each day? |
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Systems of Linear
Inequalities - Linear Programming |
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A business makes two kinds of cuckoo
clocks for souvenirs that they sell to local stores. The large clock
takes 2 hours to assemble and 2 hours to do the finish work, while the
small clock takes 1 hour to assemble and 3 hours to do the finish
work. They have at most 2200 hours for assembly each week and 3000
hours for finish work each week. They can make at most 800 small
clocks each week. If they sell the large clocks for $135 and the
small clocks for $86, how many of each should they make to maximize
revenue? |
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Introduction to the
Calculus |
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Application of the
Derivative |
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The revenue function for the sale
of a certain type of lamp is given by .
a) What is the marginal revenue at a production of 80 lamps? b) Where is the revenue a
maximum? |
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Updated 11/07/08 . For broken links or comments, please email vzabrocki@msubillings.edu
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