Concept explainers
(a)
The value of
(a)
Answer to Problem 72E
Explanation of Solution
Given information:
Given that the value is
Formula used:
Subtraction followed by division is performed.
Calculation:
Use the table to find
A logical interpretation is increase in number of tax return filling per year.
Conclusion:
A logical interpretation is increase in number of tax return filling per year.
(b)
The scatter the plot
(b)
Answer to Problem 72E
The value gets increased continuously.
Explanation of Solution
Given information:
Given that the value is
Formula used:
The x axis represents the number of years and the y axis represent the number of tax returns.
Calculation:
Make a scatter plot.
Conclusion:
The value gets increased continuously.
(c)
The linear model for the data algebraically.
(c)
Answer to Problem 72E
Explanation of Solution
Given information:
Given that the value is
Formula used:
Calculation:
Let take two points
Conclusion:
The linear model of the data is
(d)
The comparison of value with the actual value.
(d)
Answer to Problem 72E
The value get increasing continuously on
Explanation of Solution
Given information:
Given that the value is
Formula used:
Calculation:
Use the model found part (c) and the table will be
Conclusion:
The value get increasing continuously on
(e)
The linear model of the data.
(e)
Answer to Problem 72E
The linear model is
Explanation of Solution
Given information:
Given that the value is
Formula used:
Calculation:
The values from the model are approximately the same as the actual data.
(f) Using graph utility, the linear model is
Conclusion:
The linear model is
Chapter 1 Solutions
EBK PRECALCULUS W/LIMITS
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