A worker is to construct an open rectangular box with a square base and a volume of 147 ft3. If material for the bottom costs​ $6/ft2 and material for the sides costs ​$7​/ft2 what dimensions will result in the least expensive​ box? What is the minimum​ cost? Let x be the length of one side of the base of the box. Express the total cost of the​ materials, C, in terms of x.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
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ChapterA: Appendix
SectionA.2: Geometric Constructions
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A worker is to construct an open rectangular box with a square base and a volume of 147 ft3. If material for the bottom costs​ $6/ftand material for the sides costs ​$7​/ftwhat dimensions will result in the least expensive​ box? What is the minimum​ cost?

Let x be the length of one side of the base of the box. Express the total cost of the​ materials, C, in terms of x.

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