Mathematics, 31.03.2020 00:58 ghughes665
A rollercoaster ride reaches a height of 80 feet before it sharply drops. The height above the ground of the rollercoaster car during the drop is modeled by the function, h(t)=10t2−40t+80 , where t is measured in seconds since the car started its decline. The model is accurate for 0≤t≤4 . On this portion of the ride, how long does the car take to reach a minimum height from the ground before rising again?
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A rollercoaster ride reaches a height of 80 feet before it sharply drops. The height above the groun...
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