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Mathematics, 23.06.2021 21:50 Cocco

Jack jumped off a cliff into the ocean while vacationing with some friends. His height as a function of time could be modeled by the function h(t) = -10t+ 12t + 312 , where t
is the time in seconds and h is the height in meters. At exactly what time did Jack hit
the water?
PLEASE HELP I NEED IT RIGHT NOW OR I'LL FAIL!!!

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