Math 191

# Math 191 - Math 19 Chapter 1 &amp; 2 Review 1. Consider the...

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1. Consider the rule = the amount of credit (in dollars) that Citibank Visa will allow a 20 year old with a yearly income of m dollars. a. What is the input variable and its units? b. What is the output variable and its units? c. Write the meaning of C(45,000) = 12,000 in a sentence. 2. A toy store must pay \$12.60 each for a popular computer game. The store’s monthly fixed cost associated with this game is \$750. The store can sell one of these games for \$16. a. What is the cost function? b. What is the revenue function? c. What is the break-even point? 3. You invest \$5000 for 6 years. Find the value of the investment for each interest rate. a. 4% compounded annually b. 4% compounded quarterly c. 4% compounded continuously 4. The following table shows the total enrollment in Math 19 at Minnesota College over a 5 year period: Year 2000 2001 2002 2003 2004 Number of Students 420 432 446 460 475 a. The college wants the class size for Math 19 to be 42 students. How many sections of the course will they need in 2006? b. When (in what year) will there be 625 students in the course?

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## Math 191 - Math 19 Chapter 1 &amp; 2 Review 1. Consider the...

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