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October 25, 2014

Homework Help: Math

Posted by Kim on Tuesday, January 4, 2011 at 8:06pm.

you use a rectangular piece of cardboard 20 in by 30 to construct a box. you square the sides x in. from each corner of the piece of cardboard and then fold up the sides to form the bottom.

A. write a function A to represent the area of the base of the box in terms of x.

B. What is a reasonable domain for the function A?

C. Write an equation if the area of the base must be 416in^2

D. Solve the equation in part C for the values of x in the reasonable domain
What are the dimensions of the base of the box.

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