Concept explainers
a.
The units for company sell to break even.
a.
Answer to Problem 61E
Explanation of Solution
Given information:
The number of rentals of a newly released DVD of a horror film at a movie rental store decreased each week.At the same time, the number of rentals of a newly released DVD of a comedy film increased each week. Models that approximate the numbers
Calculation:
The given information states that number of rentals of a newly released DVD of a horror film at a movie rental store decreased each week.At the same time, the number of rentals of a newly released DVD of a comedy film increased each week. Models that approximate the numbers
Both the above equations are equal to each other, so both the expressions are equal to
Add
Subtract
Divide both sides by
Thus, after
b.
The units for company sell to make a profit.
b.
Answer to Problem 61E
Explanation of Solution
Given information:
The number of rentals of a newly released DVD of a horror film at a movie rental store decreased each week.At the same time, the number of rentals of a newly released DVD of a comedy film increased each week. Models that approximate the numbers
Calculation:
The given information states that number of rentals of a newly released DVD of a horror film at a movie rental store decreased each week.At the same time, the number of rentals of a newly released DVD of a comedy film increased each week. Models that approximate the numbers
Plug the number of each week into the equation are shown in the following table:
Chapter 7 Solutions
EBK PRECALCULUS W/LIMITS
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning