(7) If f (at) is a differentiable functions, nd the derivative of the function f (33) $3 y: In other words, nd g. Your answer should be in terms of 2:, f (x), and f'(.r) Simplify your answer. (8) A ball is thrown straight up into the air. It's height h in meters after t seconds is given by h(t) = 5t2 + 22: +4 Include units when answering the following questions. Justify your answers. (a) What is the height of the ball at t = 0 seonds? (b) What is the velocity of the ball at t = 0 seconds? (c) What is the velocity of the ball at t = 2 seconds? (d) What is the acceleration of the ball at t = 2 seconds