Concept explainers
(a)
To graph: The
(a)
Answer to Problem 26E
The two sets of points in the scatter plot that are linear are
Explanation of Solution
Given information:
The table shows the numbers
Year | Number of stores, |
Graph:
To graph the points on scatter plot, follow the steps using graphing calculator.
First press the
Go to
Now, press the
Figure (1)
The points
Therefore, the two sets of points in the scatter plot that are linear are
(b)
To find: The linear model for each set of points with the help of regression of graphing utility.
(b)
Answer to Problem 26E
The linear model for the first set of points is equal to
Explanation of Solution
Given information:
The table shows the numbers
Year | Number of stores, |
Calculation:
For the regression linear model of data follow the steps below:
First press the
Go to
Now enter the keystrokes
Figure(2)
Therefore, the linear model for first set of points is equal to
For the regression linear model of data follow the steps below:
First press the
Go to
Now enter the keystrokes
Figure(3)
Therefore, the linear model for second set of points is equal to
(c)
To find: The piecewise defined model for the data and the graph of it.
(c)
Answer to Problem 26E
The piecewise defined model for the data is given by
Explanation of Solution
Given information:
The table shows the numbers
Year | Number of stores, |
Calculation:
As the linear model for the first set of point is equal to
So, the piecewise defined model is
To graph a function
First press “ON” button on graphical calculator, press
The display will show the equation,
Now, press the
Figure (4)
(d)
To find: The scenario that could be the cause of break in data.
(d)
Answer to Problem 26E
One of the reason can be the shutdown of the business after
Explanation of Solution
Given information:
The table shows the numbers
Year | Number of stores, |
Calculation:
As there is a break in the graph between two lines from
Therefore, one of the reason can be the shutdown of the business after
Chapter 1 Solutions
Precalculus with Limits: A Graphing Approach
- 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