Question
A football is kicked into the air. Its height in meters after t seconds is given by h(t)=-4.9 (t-2.4)^2+29.
A. What was the height of the football when it was kicked?
B. What is the maximum height of the kick?
C. How long did it take for the football to reach its maximum?
D. How high was the ball after 2 seconds?
A. What was the height of the football when it was kicked?
B. What is the maximum height of the kick?
C. How long did it take for the football to reach its maximum?
D. How high was the ball after 2 seconds?
Answers
Steve
A plug in t=0
B as with any parabola, the vertex is at t = -b/2a
C see B
D plug in t=2
B as with any parabola, the vertex is at t = -b/2a
C see B
D plug in t=2