College Algebra Enhanced with Graphing Utilities (7th Edition) (Sullivan Enhanced with Graphing Utilities Series)
College Algebra Enhanced with Graphing Utilities (7th Edition) (Sullivan Enhanced with Graphing Utilities Series)
7th Edition
ISBN: 9780134111315
Author: Michael Sullivan, Michael Sullivan III
Publisher: PEARSON
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Chapter 4.3, Problem 93AYU
To determine

To find: The monthly revenue R achieved by selling x wristwatches is figured to be R(x) = 75x  0.2 x 2 . The monthly cost C of selling x wristwatches is

C( x ) = 32x + 1750

a. How many wristwatches must the firm sell to maximize revenue? What is the maximum revenue?

To determine

To find: The monthly revenue R achieved by selling x wristwatches is figured to be R(x) = 75x  0.2 x 2 . The monthly cost C of selling x wristwatches is

C( x ) = 32x + 1750

b. Profit is given as P( x ) = R( x )  C( x ) . What is the profit function?

To determine

To find: The monthly revenue R achieved by selling x wristwatches is figured to be R(x) = 75x  0.2 x 2 . The monthly cost C of selling x wristwatches is

C( x ) = 32x + 1750

c. How many wrist watches must the firm sell to maximize profit? What is the maximum profit?

To determine

To find: The monthly revenue R achieved by selling x wristwatches is figured to be R(x) = 75x  0.2 x 2 . The monthly cost C of selling x wristwatches is

C( x ) = 32x + 1750

d. Provide a reasonable explanation as to why the answers found in parts a and c differ. Explain why a quadratic function is a reasonable model for revenue.

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Chapter 4 Solutions

College Algebra Enhanced with Graphing Utilities (7th Edition) (Sullivan Enhanced with Graphing Utilities Series)

Ch. 4.1 - Prob. 11AYUCh. 4.1 - Prob. 12AYUCh. 4.1 - Prob. 13AYUCh. 4.1 - Prob. 14AYUCh. 4.1 - Prob. 15AYUCh. 4.1 - Prob. 16AYUCh. 4.1 - Prob. 17AYUCh. 4.1 - Prob. 18AYUCh. 4.1 - Prob. 19AYUCh. 4.1 - Prob. 20AYUCh. 4.1 - Prob. 21AYUCh. 4.1 - Prob. 22AYUCh. 4.1 - Prob. 23AYUCh. 4.1 - Prob. 24AYUCh. 4.1 - Prob. 25AYUCh. 4.1 - Prob. 26AYUCh. 4.1 - Prob. 27AYUCh. 4.1 - Prob. 28AYUCh. 4.1 - Prob. 29AYUCh. 4.1 - Prob. 30AYUCh. 4.1 - Prob. 31AYUCh. 4.1 - Prob. 32AYUCh. 4.1 - Prob. 33AYUCh. 4.1 - Prob. 34AYUCh. 4.1 - Prob. 35AYUCh. 4.1 - Prob. 36AYUCh. 4.1 - Prob. 37AYUCh. 4.1 - Prob. 38AYUCh. 4.1 - Prob. 39AYUCh. 4.1 - Prob. 40AYUCh. 4.1 - Prob. 41AYUCh. 4.1 - Prob. 42AYUCh. 4.1 - Prob. 43AYUCh. 4.1 - Prob. 44AYUCh. 4.1 - Prob. 45AYUCh. 4.1 - Prob. 46AYUCh. 4.1 - 47. Cost Function The simplest cost function is...Ch. 4.1 - Prob. 48AYUCh. 4.1 - Prob. 49AYUCh. 4.1 - 50. International Call Plan A cell phone company...Ch. 4.1 - Prob. 51AYUCh. 4.1 - Prob. 52AYUCh. 4.1 - 53. Which of the following functions might have...Ch. 4.1 - 54. Which of the following functions might have...Ch. 4.1 - Prob. 55AYUCh. 4.1 - Prob. 56AYUCh. 4.1 - Prob. 57AYUCh. 4.1 - Prob. 58AYUCh. 4.1 - Prob. 59AYUCh. 4.1 - Prob. 60AYUCh. 4.2 - Prob. 1AYUCh. 4.2 - Prob. 2AYUCh. 4.2 - Prob. 3AYUCh. 4.2 - Prob. 4AYUCh. 4.2 - Prob. 5AYUCh. 4.2 - Prob. 6AYUCh. 4.2 - Prob. 7AYUCh. 4.2 - Prob. 8AYUCh. 4.2 - Prob. 9AYUCh. 4.2 - Prob. 10AYUCh. 4.2 - Prob. 11AYUCh. 4.2 - Prob. 12AYUCh. 4.2 - Prob. 13AYUCh. 4.2 - Prob. 14AYUCh. 4.2 - Prob. 15AYUCh. 4.2 - Prob. 16AYUCh. 4.2 - Prob. 17AYUCh. 4.2 - Prob. 18AYUCh. 4.2 - Prob. 19AYUCh. 4.2 - Prob. 20AYUCh. 4.2 - Prob. 21AYUCh. 4.2 - Prob. 22AYUCh. 4.2 - Prob. 23AYUCh. 4.2 - Prob. 24AYUCh. 4.2 - Prob. 25AYUCh. 4.2 - Prob. 26AYUCh. 4.2 - Prob. 27AYUCh. 4.2 - Prob. 28AYUCh. 4.2 - Prob. 29AYUCh. 4.2 - Prob. 30AYUCh. 4.2 - Prob. 31AYUCh. 4.3 - 1. List the intercepts of the equation . Ch. 4.3 - Prob. 2AYUCh. 4.3 - Prob. 3AYUCh. 4.3 - Prob. 4AYUCh. 4.3 - Prob. 5AYUCh. 4.3 - 6. The vertical line passing through the vertex of...Ch. 4.3 - Prob. 7AYUCh. 4.3 - Prob. 8AYUCh. 4.3 - Prob. 9AYUCh. 4.3 - Prob. 10AYUCh. 4.3 - Prob. 11AYUCh. 4.3 - Prob. 12AYUCh. 4.3 - In Problems 13-20, match each graph to one the...Ch. 4.3 - Prob. 14AYUCh. 4.3 - In Problems 13-20, match each graph to one the...Ch. 4.3 - Prob. 16AYUCh. 4.3 - In Problems 13-20, match each graph to one the...Ch. 4.3 - Prob. 18AYUCh. 4.3 - In Problems 13-20, match each graph to one the...Ch. 4.3 - In Problems 13-20, match each graph to one the...Ch. 4.3 - Prob. 21AYUCh. 4.3 - Prob. 22AYUCh. 4.3 - Prob. 23AYUCh. 4.3 - Prob. 24AYUCh. 4.3 - Prob. 25AYUCh. 4.3 - Prob. 26AYUCh. 4.3 - Prob. 27AYUCh. 4.3 - Prob. 28AYUCh. 4.3 - Prob. 29AYUCh. 4.3 - Prob. 30AYUCh. 4.3 - Prob. 31AYUCh. 4.3 - Prob. 32AYUCh. 4.3 - Prob. 33AYUCh. 4.3 - Prob. 34AYUCh. 4.3 - Prob. 35AYUCh. 4.3 - Prob. 36AYUCh. 4.3 - Prob. 37AYUCh. 4.3 - Prob. 38AYUCh. 4.3 - Prob. 39AYUCh. 4.3 - Prob. 40AYUCh. 4.3 - In Problems 33-48, (a) graph each quadratic...Ch. 4.3 - Prob. 42AYUCh. 4.3 - Prob. 43AYUCh. 4.3 - Prob. 44AYUCh. 4.3 - Prob. 45AYUCh. 4.3 - Prob. 46AYUCh. 4.3 - Prob. 47AYUCh. 4.3 - Prob. 48AYUCh. 4.3 - In Problems 49-54, determine the quadratic...Ch. 4.3 - Prob. 50AYUCh. 4.3 - Prob. 51AYUCh. 4.3 - Prob. 52AYUCh. 4.3 - Prob. 53AYUCh. 4.3 - Prob. 54AYUCh. 4.3 - In Problem 55-62, determine, without graphing,...Ch. 4.3 - Prob. 56AYUCh. 4.3 - Prob. 57AYUCh. 4.3 - Prob. 58AYUCh. 4.3 - Prob. 59AYUCh. 4.3 - Prob. 60AYUCh. 4.3 - Prob. 61AYUCh. 4.3 - Prob. 62AYUCh. 4.3 - Prob. 63AYUCh. 4.3 - Prob. 64AYUCh. 4.3 - Prob. 65AYUCh. 4.3 - Prob. 66AYUCh. 4.3 - Prob. 67AYUCh. 4.3 - Prob. 68AYUCh. 4.3 - Prob. 69AYUCh. 4.3 - Prob. 70AYUCh. 4.3 - Prob. 71AYUCh. 4.3 - Prob. 72AYUCh. 4.3 - Prob. 73AYUCh. 4.3 - In Problems 63-70, (a) graph each function. (b)...Ch. 4.3 - Prob. 75AYUCh. 4.3 - Prob. 76AYUCh. 4.3 - In Problems 73-78, for the given functions f and...Ch. 4.3 - Prob. 78AYUCh. 4.3 - Prob. 79AYUCh. 4.3 - Prob. 80AYUCh. 4.3 - Prob. 81AYUCh. 4.3 - Prob. 82AYUCh. 4.3 - Prob. 83AYUCh. 4.3 - Prob. 84AYUCh. 4.3 - Prob. 85AYUCh. 4.3 - Prob. 86AYUCh. 4.3 - Prob. 87AYUCh. 4.3 - Prob. 88AYUCh. 4.3 - Prob. 89AYUCh. 4.3 - Prob. 90AYUCh. 4.3 - 87. Minimizing Marginal Cost The marginal cost of...Ch. 4.3 - Prob. 92AYUCh. 4.3 - Prob. 93AYUCh. 4.3 - 90. Business The daily revenue R achieved by...Ch. 4.3 - Prob. 95AYUCh. 4.3 - 92. Birth Rate of Unmarried Women In the United...Ch. 4.3 - Prob. 97AYUCh. 4.3 - Prob. 98AYUCh. 4.3 - Prob. 99AYUCh. 4.3 - Prob. 100AYUCh. 4.3 - Prob. 101AYUCh. 4.3 - Prob. 102AYUCh. 4.3 - Prob. 103AYUCh. 4.3 - Prob. 104AYUCh. 4.3 - Prob. 105AYUCh. 4.3 - Prob. 106AYUCh. 4.3 - Prob. 107AYUCh. 4.3 - Prob. 108AYUCh. 4.4 - 1. Translate the following sentence into a...Ch. 4.4 - Prob. 2AYUCh. 4.4 - Prob. 3AYUCh. 4.4 - 4. Maximizing Revenue The price p (in dollars) and...Ch. 4.4 - 5. Maximizing Revenue The price p (in dollars) and...Ch. 4.4 - 6. Maximizing Revenue The price p (in dollars) and...Ch. 4.4 - 7. Enclosing a Rectangular Field David has 400...Ch. 4.4 - 8. Enclosing a Rectangular Field Beth has 3000...Ch. 4.4 - Prob. 9AYUCh. 4.4 - Prob. 10AYUCh. 4.4 - Prob. 11AYUCh. 4.4 - 12. Analyzing the Motion of a Projectile A...Ch. 4.4 - Prob. 13AYUCh. 4.4 - Prob. 14AYUCh. 4.4 - 15. Constructing Rain Gutters A rain gutter is to...Ch. 4.4 - 16. Norman Windows A Norman window has the shape...Ch. 4.4 - 17. Constructing a Stadium A track-and-field...Ch. 4.4 - Prob. 18AYUCh. 4.4 - Prob. 19AYUCh. 4.4 - Prob. 20AYUCh. 4.4 - Prob. 21AYUCh. 4.4 - Prob. 22AYUCh. 4.4 - Prob. 23AYUCh. 4.4 - Prob. 24AYUCh. 4.4 - Prob. 25AYUCh. 4.4 - Prob. 26AYUCh. 4.4 - Prob. 27AYUCh. 4.4 - Prob. 28AYUCh. 4.4 - Prob. 29AYUCh. 4.4 - Prob. 30AYUCh. 4.4 - 31. Refer to Example 1 in this section. Notice...Ch. 4.4 - Prob. 32AYUCh. 4.4 - Prob. 33AYUCh. 4.4 - Prob. 34AYUCh. 4.4 - Prob. 35AYUCh. 4.5 - Prob. 1AYUCh. 4.5 - Prob. 2AYUCh. 4.5 - Prob. 3AYUCh. 4.5 - Prob. 4AYUCh. 4.5 - Prob. 5AYUCh. 4.5 - Prob. 6AYUCh. 4.5 - Prob. 7AYUCh. 4.5 - Prob. 8AYUCh. 4.5 - Prob. 9AYUCh. 4.5 - Prob. 10AYUCh. 4.5 - Prob. 11AYUCh. 4.5 - Prob. 12AYUCh. 4.5 - Prob. 13AYUCh. 4.5 - Prob. 14AYUCh. 4.5 - Prob. 15AYUCh. 4.5 - Prob. 16AYUCh. 4.5 - Prob. 17AYUCh. 4.5 - Prob. 18AYUCh. 4.5 - Prob. 19AYUCh. 4.5 - Prob. 20AYUCh. 4.5 - Prob. 21AYUCh. 4.5 - Prob. 22AYUCh. 4.5 - Prob. 23AYUCh. 4.5 - Prob. 24AYUCh. 4.5 - Prob. 25AYUCh. 4.5 - Prob. 26AYUCh. 4.5 - Prob. 27AYUCh. 4.5 - Prob. 28AYUCh. 4.5 - Prob. 29AYUCh. 4.5 - Prob. 30AYUCh. 4.5 - Prob. 31AYUCh. 4.5 - Prob. 32AYUCh. 4.5 - Prob. 33AYUCh. 4.5 - Prob. 34AYUCh. 4.5 - Prob. 35AYUCh. 4.5 - Prob. 36AYUCh. 4.5 - Prob. 37AYUCh. 4.5 - Prob. 38AYUCh. 4.5 - Prob. 39AYUCh. 4.5 - Prob. 40AYUCh. 4.5 - Prob. 41AYUCh. 4.5 - Prob. 42AYUCh. 4.5 - Prob. 43AYUCh. 4.5 - Prob. 44AYUCh. 4.5 - Prob. 45AYUCh. 4.5 - Prob. 46AYUCh. 4.5 - Prob. 47AYUCh. 4 - Prob. 1RECh. 4 - Prob. 2RECh. 4 - Prob. 3RECh. 4 - Prob. 4RECh. 4 - Prob. 5RECh. 4 - Prob. 6RECh. 4 - Prob. 7RECh. 4 - Prob. 8RECh. 4 - Prob. 9RECh. 4 - Prob. 10RECh. 4 - Prob. 11RECh. 4 - Prob. 12RECh. 4 - Prob. 13RECh. 4 - Prob. 14RECh. 4 - Prob. 15RECh. 4 - Prob. 16RECh. 4 - Prob. 17RECh. 4 - Prob. 18RECh. 4 - Prob. 19RECh. 4 - Prob. 20RECh. 4 - Prob. 21RECh. 4 - Prob. 22RECh. 4 - Prob. 23RECh. 4 - Prob. 24RECh. 4 - Prob. 25RECh. 4 - Prob. 26RECh. 4 - Prob. 27RECh. 4 - Prob. 28RECh. 4 - Prob. 29RECh. 4 - Prob. 1CTCh. 4 - Prob. 2CTCh. 4 - Prob. 3CTCh. 4 - Prob. 4CTCh. 4 - Prob. 5CTCh. 4 - Prob. 6CTCh. 4 - Prob. 7CTCh. 4 - Prob. 8CTCh. 4 - Prob. 9CTCh. 4 - Prob. 10CTCh. 4 - Prob. 11CTCh. 4 - Prob. 1CRCh. 4 - Prob. 2CRCh. 4 - Prob. 3CRCh. 4 - Prob. 4CRCh. 4 - Prob. 5CRCh. 4 - Prob. 6CRCh. 4 - Prob. 7CRCh. 4 - Prob. 8CRCh. 4 - Prob. 9CRCh. 4 - Prob. 10CRCh. 4 - Prob. 11CRCh. 4 - Prob. 12CRCh. 4 - Prob. 13CRCh. 4 - Prob. 14CRCh. 4 - For the graph of the function f, Find the domain...
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