If a person drives 208 miles, his average speed S, in miles per hour, for the trip depends on the time t, in hours, spent driving. The relationship is
?
.
A. Make a graph of average speed versus time spent driving. Include driving times of up to 5 hours.B. Is the graph concave up or concave down?C. For a 208-mile trip, would an increase in speed make more difference in average velocity for a slow driver or for a fast driver?
What will be an ideal response?
?
?
B. Concave up.
?
C. A change in speed has a greater effect on average velocity for a fast driver.
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