The path of a toy rocket

Question

The path of a toy rocket fired into the air can be represented by the equation h=-16t^2+75t. h=height in feet and t=time. What is the height of the rocket after three seconds

Answer 1

h(t) = -16t^2 + 75t

h(3) =-16(3)^2 + 75(3)

=-16(9) +225 = 144 + 225 = 369 feet after 3 seconds