Concept explainers
(a)
To express: The given joint variation as equation.
(a)
Answer to Problem 31E
The joint variation for given equation is
Explanation of Solution
Cost of printing a magazine is jointly proportional to the number of pages
Jointly proportional:
Consider the equation,
Here,
Here,
According to the given statement
Write the given statement as,
Here,
m is number of magazine printed.
Thus, the equation of given statement is
(b)
To find: The constant of proportionality
(b)
Answer to Problem 31E
The value of constant of proportionality is
Explanation of Solution
Given:
Cost of printing
Number of magazine
Number of pages in the magazine
Calculation:
Substitute $
Thus, the value of proportionality constant
(c)
To find: The printing cost C.
(c)
Answer to Problem 31E
The cost of printing is $
Explanation of Solution
Given:
Number of magazine
Number of pages in each magazine
Calculation:
Substitute
Thus, the value of
Chapter 1 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
- 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