051Exam2asoln

# 051Exam2asoln - EXAM 2 March 3, 2005 NAME: Make sure to...

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Unformatted text preview: EXAM 2 March 3, 2005 NAME: Make sure to read the question carefully and answer the question that is asked. Show ALL relevant work so that partial credit may be given and indicate where the solution is. Lack of sufficient work may result in a loss of credit, even if a correct answer is given. Good luck!! On my honor, as a University of Colorado at Boulder student, I have neither given nor received unautho- rized assistance on this work. YOUR SIGNATURE: 1. Marginal Functions (a) Find the marginal average cost function C ( x ) for the cost function C ( x ) = 1000 + 4 x . Answer: C ( x ) = C ( x ) x = 1000 + 4 x x = 1000 x 1 + 4 So, C ( x ) = 1000 * (- 1) x 2 =- 1000 x 2 (b) The cost (in dollars) to produce x speaker systems is given by C ( x ) = 550 x + 10 , 000 . The marketing department has also established that the demand for these speakers is given by p =- . 03 x + 700 , where p denotes the speakers unit price (in dollars) and x denotes the quantity demanded. Find the marginal profit function....
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## This note was uploaded on 05/03/2008 for the course MATH 1081 taught by Professor Johanson during the Spring '08 term at Colorado.

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051Exam2asoln - EXAM 2 March 3, 2005 NAME: Make sure to...

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