The sum of the length / and the width w of a rectangular area is 240 feet. 1. Write w as a function of 1 2. Write the area A as a function of I A = 3. Find the dimensions that produce the greatest area W = 4. Describe in words the significance of the answer to part (c).

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Q: Prove that

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A: We will find the value. 

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A: Let's find.