Helping students gain understanding and self-confidence in algebra.
amberzak wrote:Where do I even start?
amberzak wrote:This question is expected to be solved using calculus. I think it might be a maximum problem:
A stone is thrown vertically upward and after t seconds its height y meters above its starting point is given by y=100t-5t^2. Calculate the greatest height reached by the stone, and the value of t when this happens.
amberzak wrote:Where do I begin? What's the equation I have to differentiate?