Question: A demolition ball is used to tear down a building. Its distance s (in m) above the ground as a function of time t (in

A demolition ball is used to tear down a building. Its distance s (in m) above the ground as a function of time t (in s) after it is dropped is s = 17.5 − 4.9t². Because s = f (t), find f(1.2).

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