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Home > PC > Chapter 7 > Lesson 7.3.2 > Problem 7-112


Label the diagram.

Write an equation for the perimeter and the available 500 feet of fencing. Solve for y.

Write an equation for the area in terms of x and y.

Substitute the value of y from the perimeter equation into the area equation.

Use your calculator to graph the area function.
Where is the area the most?
What are the x- and y-values?
What is the maximum area?