Question

can someone check my answer please ^.^

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 + 32t + 90

The average rate of change of f(t) from t = 4 seconds to t = 6 seconds is _____ feet per second.

Answer 2

I got 112, is it right?

Answer 3

@psirockin2 Can you verify bro? ^.^

Answer 4

yup