Question: A disc is sent through the air. The function h (t) - -5t2 + 4t + 55 models the height of the disc, where h(t)

A disc is sent through the air. The function h (t) - -5t2 + 4t + 55 models the height of the disc, where h(t) is the height of the disc in metres and t is the time in seconds. a) Estimate the instantaneous rate of change in the object's height at t = 1 second. b) Interpret the meaning of your answer in this context. c) Calculate the average rate of change of the disc's height from 2 to 3 seconds. d) Provide a meaningful conclusion to the previous solution

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