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college algebra

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A rectangular box with no top is to be constructed from a 10 in. x 10 in square piece of cardboard by cutting equal square of side x from each corner and then bending up the sides. Write the volume of the box as a function of x.

  • college algebra -

    let the side of the cut-out square be x inches

    base is 10-2x by 10-2x, and the height is x

    Volume = x(10-2x)^2 , where x > 5 , or else the base is negative.

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