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4 November, 11:39

A student is running a 3-kilometer race. He runs 1 kilometer every 2 minutes. Select the function that describes his distance from the finish line.

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  1. 4 November, 14:02
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    X - number of minutes;

    f (x) - the distance from the finish line.

    x : 0 2 4 6

    f (x) : 3 2 1 0

    f (x) = 3 - x/2

    Answer: B) f (x) = - 1/2 x + 3
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