Question

2. The path of a rocket is modeled by h = 11 + 10t - 2t^2

h represents the height in metres above the ground after t seconds of flight.

What was the maximum height of the rocket?

3. On their $5 sub day, a sub shop averages 300 customers. Over the past several months, the shop has changed the price several times to see how this affects the number of customers. For every increase of $0.50 in the price, the number of customers decreases by 15.

Determine the sub price that maximizes revenue.

Answer 1