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Mathematics, 10.07.2021 14:30 straightbarz5916

An observer in a fishing boat, watched as an osprey dove under water and re-emerged with a fish in its talons. The height, h, in meters, of the osprey at time t, in seconds, can be modeled by the function h= 21 - 61 - 55t + 165 for the first 20 seconds if its flight. How long was the osprey under water?

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