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A square is 20 inches on each side.A square x inches on each side is cut from eachcorner of the square.Represent the area of the remaining portionof the square in the form of a polynomialfunction A(x).

A square is 20 inches on each sideA square x inches on each side is cut from eachcorner of the squareRepresent the area of the remaining portionof the square in class=

Respuesta :

The total area is going to be:

[tex]A=20in*20in=400in^2[/tex]

The area of each mini square is:

[tex]L*L=x*x=x^2[/tex]

But, we have four mini squares, so:

[tex]Aminisquares=4*x^2[/tex]

So, the area of the remaining portion of the square is:

[tex]A(x)=400-4x^2[/tex]

This function, A(x) is the answer.

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