Concept explainers
i.
The average rate of cell phone growth from
i.
Explanation of Solution
Given information:
The number N of US cell phone subscribers (in millions) is shown in table.
Calculations:
Here the growth of cell phone users from
Thus the average growth of cell phone users from
Here the growth of cell phone users from
Here the average growth of cell phone users from
Therefore the average rate of cell phone growth from
ii.
The average rate of cell phone growth from
ii.
Explanation of Solution
Given information:
The number N of US cell phone subscribers (in millions) is shown in table.
Calculations:
The number of cell phone subscribers in
The number of cell phone subscribers in
Thus the growth of cell phone users from
Thus the average growth of cell phone users from
iii.
The average rate of cell phone growth from
iii.
Explanation of Solution
Given information:
The number N of US cell phone subscribers (in millions) is shown in table.
Calculations:
The number of cell phone subscribers in
The number of cell phone subscribers in
Thus the growth of cell phone users from
Thus the average growth of cell phone users from
iv.
The instantaneous rate of growth in
iv.
Explanation of Solution
Given information:
The number N of US cell phone subscribers (in millions) is shown in table.
Calculations:
Thus the average growth of cell phone users from
Therefore the instantaneous rate of growth in
v.
The instantaneous rate of growth in
v.
Explanation of Solution
Given information:
The number N of US cell phone subscribers (in millions) is shown in table.
Calculations:
Thus the average growth of cell phone users from
The slope of the tangent is given the formula,
Chapter 2 Solutions
Single Variable Calculus: Concepts and Contexts, Enhanced 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