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OpenStudy (anonymous):
I WILL GIVE A MEDAL AND BECOME A FAN!!! A ball is thrown into the air with an upward velocity of 32 feet per second. Its height, h, in feet after t seconds is given the function h(t)=-16t^2+6. How long does it take the ball to reach its maximum height? What is the ball's maximum height? Round to the nearest tenth, if necessary. a)reaches a maximum height of 22 feet after 1.00 seconds. b) reaches a maximum height of 22 feet after 2.00 seconds. c)reaches a maximum height of 44 feet after 2.17 seconds. d)reaches a maximum height of 11 feet after 2.17 seconds.
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ganeshie8 (ganeshie8):
hint : vertex
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