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January 31, 2015

January 31, 2015

Posted by **Marissa** on Wednesday, June 1, 2011 at 1:10am.

- Calculus -
**Mgraph**, Wednesday, June 1, 2011 at 2:24amThe vertices of the rectangle are points:

(-x,0),(x,0),(x,12-x^2),(-x,12-x^2).

The area A(x)=2x(12-x^2)

A(x)=24x-2x^3

A'(x)=24-6x^2=0 => x=+-2

max A(x)=A(2)=48-16=32

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