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December 20, 2014

December 20, 2014

Posted by **Ravneet Gill** on Tuesday, October 1, 2013 at 12:42am.

- Pre-Calc - incomplete -
**Steve**, Tuesday, October 1, 2013 at 3:57amno diagram. more text, please.

- Pre-Calculas 11 -
**Graham**, Tuesday, October 1, 2013 at 4:06amI cannot see the diagram, so I am going to assume the new fencing is formed into an 'E' shape, with the opening pressed up against the existing fence line. That is: one long side (l), two short sides and the divider (3w).

The fence length is:

800 = 3w + l

So the area is :

A = l w

A = 800 w - 3 w^{2}

The maximum area will be the value of the vertex of this parabola. Find w of this point.

- Pre-Calculas 11 -
**ravneet gill**, Tuesday, October 1, 2013 at 12:07pmThere is no diagram given its just what the question says. There is no other info

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