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24-08-2021
Mathematics

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Express the perimeter perimeter p of a rectangle as a function of the width w if the length of the rectangle is twice its width.

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FancyBun FancyBun

24-08-2021

Answer: f(w) = 3w

Explanation:

P = L + W
But L = 2W

P = 2W + W = 3W

Express as a function of w:

f(w) = 3w

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