OpenStax, Algebra and Trigonometry 2e §5.6 Rational Functions · Exercise 98 · Algebra · Polynomials

Rational Functions · Exercise 98

Construct a rational function that will help solve the problem. Then, use a calculator to answer the question.

A rectangular box with a square base is to have a volume of 20 cubic feet. The material for the base costs 30 cents/ square foot. The material for the sides costs 10 cents/square foot. The material for the top costs 20 cents/square foot. Determine the dimensions that will yield minimum cost. Let $x$ = length of the side of the base.

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §5.6 Rational Functions · Exercise 98

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