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Mathematics 8 Online
OpenStudy (anonymous):

WILL AWARD MEDAL. please help The distance of an object thrown upward is modeled by the equation h=-16t^2+3t+4, where h is the height of the object in feet at any given time and t is the time in seconds. The object is visible whenever it is at h(greater than) 0. For how long is the object visible? A. about 0.17 seconds B. about 0.36 seconds C. about 0.60 seconds D. about 0.79 seconds

OpenStudy (josedavid):

is c or a

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