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5 votes
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.

User NCardot
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1 Answer

6 votes
Answer: f(w) = 3w

Step-by-step explanation:

P = L + W
But L = 2W

P = 2W + W = 3W

Express as a function of w:

f(w) = 3w
User Lil Ari
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