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Television Set Pricing: A retail store has various sizes of television sets made by the

ISBN: 9781559533911 468

Solution for problem 7 Chapter 15-3

Precalculus with Trigonometry: Concepts and Applications | 1st Edition

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Problem 7

Television Set Pricing: A retail store has various sizes of television sets made by the same manufacturer. The price for a set is a function of the screen size, measured in inches along the diagonal. Suppose that the prices are x (in.) p(x) (dollars)2 1605 1007 12012 25017 22021 20027 34032 68035 1100 a. Make a scatter plot of the data. Based on the scatter plot, tell why a quartic function is a more appropriate mathematical model than a cubic function. b. Find the particular equation of the best-fitting quartic function, p(x). Plot function p on the same screen as the scatter plot. c. Based on the quartic model, which size television set is most overpriced? d. What real-world reason can you think of to explain why 17- and 21-in. sets are less expensive than the smaller, 12-in. set?

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ISBN: 9781559533911

Precalculus with Trigonometry: Concepts and Applications was written by and is associated to the ISBN: 9781559533911. Since the solution to 7 from 15-3 chapter was answered, more than 227 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 106 chapters, and 2321 solutions. The full step-by-step solution to problem: 7 from chapter: 15-3 was answered by , our top Calculus solution expert on 03/16/18, 04:16PM. The answer to “Television Set Pricing: A retail store has various sizes of television sets made by the same manufacturer. The price for a set is a function of the screen size, measured in inches along the diagonal. Suppose that the prices are x (in.) p(x) (dollars)2 1605 1007 12012 25017 22021 20027 34032 68035 1100 a. Make a scatter plot of the data. Based on the scatter plot, tell why a quartic function is a more appropriate mathematical model than a cubic function. b. Find the particular equation of the best-fitting quartic function, p(x). Plot function p on the same screen as the scatter plot. c. Based on the quartic model, which size television set is most overpriced? d. What real-world reason can you think of to explain why 17- and 21-in. sets are less expensive than the smaller, 12-in. set?” is broken down into a number of easy to follow steps, and 139 words. This textbook survival guide was created for the textbook: Precalculus with Trigonometry: Concepts and Applications, edition: 1.

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