Trig/Math Anal

Oct 09, 2007 · 14. For what positive number is the sum of its reciprocal and five times its square a minimum? 15. A rectangular box with a volume of 320 cubic feet is to be constructed with a square base and top. The cost per square foot for the bottom is 15¢, for the top is 10¢, and for the sides is 2.5¢. What dimensions will minimize the cost? 16. ................
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