A football is kicked toward the goal. The height of the ball is modeled by the function
h(t) = −16t2 + 64t where t equals the time in seconds and h(t) represents the height of the ball at time t seconds. What is the axis of symmetry, and what does it represent?
t = __; it takes___seconds to reach the maximum height and ___seconds to fall back to the ground

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2015-10-31 10:11:51

i do not undertand...

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