Concept explainers
a.
Draw a
a.
Explanation of Solution
Given:
The given table is
Calculation:
By the use of graphing utility. The scatter plot for the given table is
b.
Find a cubic model for the given data using regression feature of graphing utility.
b.
Answer to Problem 41CLT
The cubic model is
Explanation of Solution
Given:
The given table is
Calculation:
By the use of graphing utility. The scatter plot for the given table is
Using the graphing utility, the cubic model is
Hence the cubic model is
c.
Find a cubic model for the given data using regression feature of graphing utility.
c.
Explanation of Solution
Given:
The given table is
Calculation:
By the use of graphing utility. The scatter plot for the given table is
Using the graphing utility, the cubic model is
The graph of cubic model with scatter plot is given below.
The model is fit for the given data.
d.
Find the sales of lottery tickets in the given year.
d.
Answer to Problem 41CLT
The result is not reasonable
Explanation of Solution
Given:
The given table is
Calculation:
By the use of graphing utility. The scatter plot for the given table is
Using the graphing utility, the cubic model is
Substitute the value of
The result is not reasonable because the trend of the model to increase, not decrease.
Chapter 3 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