A 336 ft pool is to be built with a square bottom of side length x The sides are built with tiles and the bottom with cement The

Question

A 336 ft pool is to be built with a square bottom of side length x The sides are built with tiles and the bottom with cement The cost per unit of tiles is 7 ft while the cost of the bottom is 3 ft Write the total cost C as a function of x C x Use integers or fractions for any numbers in the expression

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