COMPLETE QUESTION:
Phileas is going on a hot air balloon ride. His height above the ground
after t minutes is a quadratic function of t.
He begins from a platform at a height of 76 meters.
The balloon reaches its maximum height after 30 minutes.
After 80 minutes, he finally lands (at a height of 0 meters)
(a) Give a function f(t) for Phileas’s height above the ground after t minutes.
Answer:
f(t) = (-76/160)t² + (9560/1600)t + 76
Explanation:
Clearly explained in the attachment below
