A Rectangular Box Is to Have a Square Base and a Volume

question 157

Multiple Choice

A rectangular box is to have a square base and a volume of 20 ft³. The material for the base costs , the material for the sides costs , and the material for the top costs . Letting x denote the length of one side of the base, find a function in the variable x giving the cost of constructing the box. ​ ​

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Combustion Engine

An engine that generates mechanical power by burning a fuel-air mixture to create an explosive reaction.

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A chemical element with the symbol H and atomic number 1, known as the lightest element in the universe and a primary component in water molecules.

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Energy produced and sold for profit, including electricity, natural gas, and other fuels used in the industrial, commercial, and residential sectors.