WILL AWARD MEDAL!
A ball is thrown upward from the top of a building. The function below shows the height of the ball in relation to sea level, ft, in feet, at different times t in seconds:

f(t) = -16t^2 + 34t + 80

The average rate of change of f(t) from t = 5 seconds to t = 7 seconds is _____ feet per second.

Question

WILL AWARD MEDAL!
A ball is thrown upward from the top of a building. The function below shows the height of the ball in relation to sea level, ft, in feet, at different times t in seconds:

f(t) = -16t^2 + 34t + 80

The average rate of change of f(t) from t = 5 seconds to t = 7 seconds is _____ feet per second.

anonymous · Answer

@tHe_FiZiCx99

the_fizicx99 · Answer

O-o why was I the first person tagged >.>

Substitute in 5 for t and 7. Then use $\ \dfrac{y - y}{x - x} $ and that's the average rate of change.

anonymous · Answer

can you help me with the substituting i havent done this in while and forgot how to do so.i can calculate the average rate of change

anonymous · Answer

And i tagged you because i thought u might be able to help without so much of a hassle (:.

anonymous · Answer

@tHe_FiZiCx99

the_fizicx99 · Answer

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