A model rocket is equipped with a motion detector that measures the height of the rocket at 30 second intervals. On a recent flight, the detector recorded the following data.

Time (s) Height (m)

0 0

30 315

60 540

90 675

120 720

150 675

180 540

210 315

240 0

a) Graph the data.

b) Is the graph a parabola?

c) When does the rocket reach its maximum height?

d) What is the maximum height?

e) When does the rocket land?