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31 March, 07:20

A ball is thrown into the air with an initial velocity of 22 meters per second. The quadratic function h (x) = - 4.9t square + 22t+5.5 represents the height of the ball above the ground, in meters, with respect to time t, in seconds. Determine h (3) and explain what it represents

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  1. 31 March, 07:29
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    Height of the ball after 3 seconds = 27.4 feet.

    Step-by-step explanation:

    h (t) = - 4.9t^2 + 22t + 5.5

    h (3) means the height of the ball at time 3 seconds after the ball was thrown.

    h (3) = - 4.9 (3) ^2 + 22 (3) + 5.5

    = 27.4 feet
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