9) A store sells portable MP3 players for $100 each and, at this price, sells 120 MP3 players every month. The owner of the store wishes to increase his profit, and he estimates that, for every $2 increase in the price of MP3 players, one less MP3 player will be sold each month. If each MP3 player costs the store $70, at what price should the store sell the MP3 players to maximize profit?
9) A store sells portable MP3 players for $100 each and, at this price, sells 120 MP3 players every month. The owner of the store wishes to increase his profit, and he estimates that, for every $2 increase in the price of MP3 players, one less MP3 player will be sold each month. If each MP3 player costs the store $70, at what price should the store sell the MP3 players to maximize profit?
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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![9) A store sells portable MP3 players for $100 each and, at this price, sells
120 MP3 players every month. The owner of the store wishes to increase his profit,
and he estimates that, for every $2 increase in the price of MP3 players, one less MP3
player will be sold each month. If each MP3 player costs the store $70, at what price
should the store sell the MP3 players to maximize profit?
[5]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Face32a61-8bf0-4ab8-a6da-eae06fac37f1%2F0f9a3f84-588a-4db5-b87f-2f22307ea14e%2Fmas5xk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9) A store sells portable MP3 players for $100 each and, at this price, sells
120 MP3 players every month. The owner of the store wishes to increase his profit,
and he estimates that, for every $2 increase in the price of MP3 players, one less MP3
player will be sold each month. If each MP3 player costs the store $70, at what price
should the store sell the MP3 players to maximize profit?
[5]
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