Question

A model rocket is launched from the top of a hill. The table shows how the rockets height above ground level changes as it travels through the air.
A. How high above ground level does the rocket travel? When does it reach this maximum height?
B. From what height is the rocket launched?
C. How long does it take the rocket to return to the top of the hill?

Answer 1

at time 0 the height is 84, so the for From what height is the rocket launched? the answer is 84

Answer 2

for How high above ground level does the rocket travel? When does it reach this maximum height? find the biggest number in the right hand column
that is the maximum height
the corresponding number in the left hand column is the time it took to get there