Shooting an Arrow If an archer shoots an arrow straight upward with an initial velocity of 160 ft/sec from a height of 8

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Shooting an Arrow If an archer shoots an arrow straight upward with an initial velocity of 160 ft/sec from a height of 8

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Shooting an Arrow If an archer shoots an arrow straight upwardwith an initial velocity of 160 ft/sec from a height of 8 ft, thenits height above the ground in feet at time t in seconds is givenby the function h(t)= -16t^2 + 160t + 8.
a. What is the maximum height reached by the arrow?
b. How long does it take for the arrow to reach theground?
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