Concept explainers
(a)
To calculate: To find the missing
(a)
Answer to Problem 43E
Themissing
Explanation of Solution
Given: Table showing the earnings
Time (hours). x | Earnings (dollar), y |
4 | 40.80 |
5 | |
6 | 61.20 |
7 | 71.40 |
Formula Used:
Linear functions are polynomials with degree of
Non-linear functions are polynomials with degree of more than
Calculation:
Given the table showing the earnings
Time (hours). x | Earnings (dollar), y |
4 | 40.80 |
5 | |
6 | 61.20 |
7 | 71.40 |
Slope of function is calculated as
Calculate the slope for the above:
Conclusion:
Hence, missing
(b)
To calculate: To find hourly pay rate
(b)
Answer to Problem 43E
Hourly pay rateis
Explanation of Solution
Given: Table showing the earnings
Time (hours). x | Earnings (dollar), y |
4 | 40.80 |
5 | |
6 | 61.20 |
7 | 71.40 |
Formula Used:
Linear functions are polynomials with degree of
Non-linear functions are polynomials with degree of more than
Calculation:
Given the table showing the earnings
Time (hours). x | Earnings (dollar), y |
4 | 40.80 |
5 | |
6 | 61.20 |
7 | 71.40 |
Slope of function is calculated as
Here, slope is hourly pay rate.
Thus, rate is
Conclusion:
Hence, hourly pay rate is
Chapter 3 Solutions
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