To find:Rate of change for each linear function.
Answer to Problem 12PPS
The rate of change for is decrease of 10 books/days.
Explanation of Solution
Given:
Calculation:
Consider the table that shows number of books at different days:
Time (days) [x] | Number of books [y] |
0 | 120 |
4 | 80 |
8 | 40 |
The rate of change is change in one quality with respect to another quantity.
Mathematically:
Thus, the rate of change is change in number of books with respect to change in time.
So, the rate of change is:
Conclusion:
Therefore, rate of change for is decrease of 10 books/days.
Chapter 8 Solutions
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