To find: The function that models perimeter of a rectangle in terms of its length x whose area is .
The function that models area of given rectangle is .
Perimeter of a rectangle is,
Eliminate from equation (1) and model the function into single variable .
Area of rectangle is,
Substitute 16 for in above equation and solve for .
Summarize all the information in a table as shown below.
|In Words||In Algebra|
Use the information in the table and model the function.
Thus, the function that models area of given rectangle is .
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