Concept explainers
To compare:Rate of change for each linear function.
Answer to Problem 10PPS
The late fee for video games increases at a faster rate than the late fee for DVDs.
Explanation of Solution
Given:
Calculation:
Consider the table that shows relation outside temperature after a number of hours.
Late fee y | ||
Days late x | DVDs | Video games |
0 | 0 | 0 |
2 | $3 | $4 |
4 | $6 | $8 |
5 | $7.50 | $10 |
The objective is to compare the rates of change.
The rate of change of late fee for DVDs is:
The rate of change of late fee for video games is:
Conclusion:
Therefore, the late fee for video games increases at a faster rate than the late fee for DVDs.
Chapter 8 Solutions
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