Grade 12 Calculus, derivatives. Show your work.

Question 1 (6 points) The height of the passengers on the Drop Demon ride is given by the function h(t) = 13 - 12t2 + 36t where h(t) is the height of the passengers in meters and t is the time in seconds since the start of the ride. a) At what time(s) is the ride not moving? How high are the passengers at this/these times? (4 marks) b) What is the speed of the passengers 3 seconds into the ride? is the ride rising or falling at this time? Justify your answer. (2 marks) Blank # 1 A Blank # 2