Asked by Keonn'a : Please help me.
1. Sydney is tossing a softball into the air with an underhand motion. The distance of the ball above her hand at any times given by the formula: h(t)=64t-16t^2.where h(t) is the height of the ball (in feet) and t is time (in seconds).
a. At what times,t, is the ball in her hands?
b. At what time, t is the ball at its maximum height?
c. How high h, is the ball at its maximum height?
a. At what times,t, is the ball in her hands?
b. At what time, t is the ball at its maximum height?
c. How high h, is the ball at its maximum height?
Answers
Answered by
Steve
(a) find t when h=0 (just solve for t, as usual)
as with all quadratics, the vertex is midway between the roots, at t = -b/2a = -64/-32 = 2
as with all quadratics, the vertex is midway between the roots, at t = -b/2a = -64/-32 = 2
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