Posted by **k** on Saturday, March 23, 2013 at 6:00pm.

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 -
**Reiny**, Saturday, March 23, 2013 at 8:46pm
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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