The altitude (in feet) obtained by a model rocket t seconds into flight is given by the function:
h(t) = -(1/3)t^3 + 4t^2 + (20)t +2
Find the maximum altitude attained by the model rocket, and the time it reaches that height.
The max. height is reached when the first derivative of the given function = 0.
(I am sure you know that t-cubed is written as t^3 sometimes.)
Solution: model rocket