Math 1090
Quiz 22
7 March, 2012
Name:
Instructions: Answer the questions below. Make sure to show all work
clearly.
1. Ye Olde Armorie manufactures chain mail shirts for knights. Their revenue is given by
R(x) = 5x(200 − x) and their total cost by C(x) = 810x + 1400, where x is the number
of chain mail shirts manufactured.
(a) (4 points) How many chain mail shirts will make Ye Olde Armorie break even?
(b) (4 points) How many chain mail shirts should Ye Olde Armorie make to maximize
profit?
(c) (2 points) What is the maximum possible profit?