Solve the problem.Let the distance from home in miles of a person after t hours on a straight path be given by  Approximate the average rate of change of s from  to  to the nearest tenth and interpret the result.

A. about 2.4; average speed is about 2.4 mi/hr
B. about 0.7; average speed is about 0.7 mi/hr
C. about 3.9; average speed is about 3.9 mi/hr
D. about 2.9; average speed is about 2.9 mi/hr


Answer: D

Mathematics

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