A rectangular field is to have an area of 225 m² and is to be surrounded by a fence. The cost, C, of the fence is 2 dollars per

Question

A rectangular field is to have an area of 225 m² and is to be surrounded by a fence. The cost,
C, of the fence is 2 dollars per meter of length. Express the total cost of the fence in terms of
the width of the field (use the variable 'w' for width).
C(w) = $

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