Question

The distance traveled, in feet of a ball droped from a tall building is modeled by the equation d(t) = 16t^2 where d equals the distance traveled at time t seconds and t equals the time in seconds. What does the average rate of change of d(t) from t = 2 to t = 5 represent?

Answer 1

That represents the avg acceleration of the ball from 2-5sec

Answer 2

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what does 112 ?

well, it means that from the 2nd second to the 5th second, on average the ball was dropping at an average of 112 feet per second.