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Mathematics 14 Online
OpenStudy (anonymous):

The chart below shows the height in meters of an object thrown upward from a building. Elapsed Time, t (in seconds) Height (in meters) 0 62 1 78 2 84 3 81 4 68 5 45 Based on the best-fit quadratic model, at what time t will the height of the object be approximately 30 meters? 5.4 seconds 5.6 seconds 6.0 seconds 5.5 seconds

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