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18 September, 03:05

Find a formula for the described function. an open rectangular box with volume 6 m3 has a square base. express the surface area sa of the box as a function of the length of a side of the base, x.

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  1. 18 September, 03:35
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    x^2 * h = 6

    h = 6%2Fx%5E2

    :

    Surface area of an open box

    S. A. = x^2 + 4 (x*h)

    ;

    Replace h with6%2Fx%5E2

    S. A. = x^2 + 4 (x*6%2Fx%5E2)

    ;

    Cancel x:

    S. A. = x^2 + 4 (6%2Fx)

    :

    f (x) = x^2 + 28%6Fx; is the surface area in terms of x
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