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14 May, 02:09

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 after x minutes. f of x equals negative one third x plus 2 f of x equals negative one half x plus 3 f of x equals one half x plus 3 f of x equals one third x plus 2

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  1. 14 May, 04:09
    0
    f (x) = (1/2) X

    Step-by-step explanation:

    speed = distance / time

    distance = speed x time

    3 = (1/2) X

    X = 3 / (0.5) = 6min

    let distance = F (X)

    f (x) = (1/2) X
  2. 14 May, 05:41
    0
    Answer: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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