Concept explainers
To find: rate of change of B
Answer to Problem 3STP
The correct option is C
Explanation of Solution
Given:
B covers distance of 360 feet after 20 seconds
She travel 1080 feet in one minute.
A 18 feet per minute
B 16 feet per minute
C 18 feet per second
D 16 feet per second
Calculation:
Now, make the table that shows the relation between time and distance cover by Bethany.
Time (seconds) [x] | Distance (feet) [y] |
20 | 360 |
60 | 1080 |
The rate of change is change in one quantity with respect to another quantity.
Thus, the rate of change is change in distance with respect to change in time.
So,
Hence, rate of change is increase of 18 feet per second
Conclusion:
Therefore, the correct option is C
Chapter 8 Solutions
Pre-Algebra Student Edition
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