5. Serena and Jack launch the second rocket 3 seconds after the first one. How is the graph of the second rocket different from the graph of the first rocket? Describe in terms of the vertical and horizontal shift. (2 points) 6. What is the equation of the second rocket? (2 points)

7. They launch the third rocket 3 seconds after the second rocket and from a 20-foot-tall platform. What will the graph of the third rocket look like? Describe in terms of the vertical and horizontal shift. (2 points)

8. What is the equation of the third rocket? (2 points)

9. Answer the following questions about the three rockets. Refer to the graph of rocket heights and times shown above. (3 points: 1 point for each question)
a. Approximately when is the third rocket launched?

b. Approximately when does the first rocket land?

c. What is the approximate interval during which all three rockets are in the air?

(image goes with question 8)