3. A human catapult is used to launch a person into Tampa Bay. The height, in feet, of the person in modeled f(x), where x is the time (in seconds) from the launch. I. What is the meaning of the 20 in the expression f(x)?
II. How long does it take the person to reach the water?
III. How long does it take the person to reach its maximum height?
IV. What was the maximum height of the person?
V. Give the vertex
VI. Give the axis of symmetry?
VII. Find the zeros
VIII. Find the y-intercept (if any)
IX. Find the x-intercepts (if any)