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26 January, 12:41

The height h (in feet) of an object shot into the air from a tall building is given by the function h (t) = 650 + 80t - 16t2, where t is the time elapsed in seconds. (a) Write a formula for the velocity of the object as a function of time t.

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  1. 26 January, 13:23
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    80 - 32t

    Explanation:

    The height, h, in terms of time, t, is given as:

    h (t) = 650 + 80t - 16t²

    Velocity is the derivative of distance with respect to time:

    v (t) = dh (t) / dt = 80 - 32t
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