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20 January, 19:04

If the area of a rectangle with width x can be represented with the expression A (x) = x (14 - x), what is the perimeter of the rectangle?

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  1. 20 January, 22:52
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    A=WL

    P=2 (L+W)

    A = (x) (14-x)

    W=x

    L=14-x

    P=2 ((14-x) + x)

    P=2 (14-x+x)

    P=2 (14+0)

    P=2 (14)

    P=28

    perimiter=24 units
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