4. A football quarterback throws the ball downfield and it is caught by the receiver 40 m away from him. The path of the ball can be described by the function h = -D.01{c| - 20)2 + 6 where h is the height of the ball in metres, and d is the horizontal distance of the ball from the quarterback, in metres. [4 Marks] a. What is the maximum height of the ball? [1] b. How far away from the quarterback did the ball reach its maximum height? [1] c. What was the height ofthe ball when it was thrown? [2] PART C: COMMUNICATION 5. Use finite differences to determine whether each of the following table of values represents a relation that is linear, quadratic, or neither. Show your work. [4 Marks] = -2{Jr+5)'.I -4 6. a) Describe the transformation of y to the parabola v=x3 l2] =3x'I +3 b) Describe the transformation of y , to the parabola amt2 l2]