Posted by **Jacinta** on Thursday, June 25, 2009 at 10:26pm.

Suppose you take a piece of cardboard measuring 7 inches by 7 inches, cut out square corners with sides x inches long, and then fold up the cardboard to make an open box. Express the volume V of the box as a function of x.

- Math -
**Reiny**, Thursday, June 25, 2009 at 11:08pm
I knew this question sounded familiar.

I answered it two days ago.

http://www.jiskha.com/display.cgi?id=1245803469

- Math -
**MathMate**, Thursday, June 25, 2009 at 11:09pm
The link shows something like the box described in the question. Disregard the cover.

(Broken Link Removed)

Width of the box = 7-x-x = 7-2x

Length of the box = 7-x-x = 7-2x

Height of the box = x

Can you calculate the volume?

- Math -
**MARNE**, Friday, March 27, 2015 at 6:18am
PLEASE ANSWER

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