Question

please help!

Answer 1

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, f(t), in feet, at different times, t, in seconds:

f(t) = −16t2 + 34t + 80

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

Answer 2

is it -158

Answer 3

(5, -150)

(7, -466)

\(\bf{\dfrac{-466-(-150)}{7-5}\\ \dfrac{-316}{2}=?}\)

Answer 4

-158

Answer 5

Yep so -158 is right.

Answer 6

thank you

Answer 7

You're welcome :)