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 = 7xx = 72x
Length of the box = 7xx = 72x
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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