The function A(x)=x(x+4) describes the area A of the opening of a rectangular window in which the length is 4 feet more than the width, x. Find the dimensions of the window if the area of the opening is to be 221 square feet by solving A(x)=221.
The function A(x)=x(x+4) describes the area A of the opening of a rectangular window in which the length is 4 feet more than the width, x. Find the dimensions of the window if the area of the opening is to be 221 square feet by solving A(x)=221.
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.CR: Review Problem Set
Problem 50CR
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The function A(x)=x(x+4) describes the area A of the opening of a rectangular window in which the length is 4 feet more than the width, x. Find the dimensions of the window if the area of the opening is to be 221 square feet by solving A(x)=221.
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