3) A person standing on a bridge tosses a rock into the water 20m below. During its flight, the rock reaches a maximum height 1.5 seconds after it has been thrown, and enters the water after 4 seconds.
a) Draw a diagram and label important points.
b) Determine the zeros.
c) Explain the meaning of each zero.
d) Determine the equation that models this scenario.
e) Determine the maximum height reached by the rock.
