Consider a closed rectangular box with a square base with side x and height y. a. Find an equation for the surface area of the rectangular box. S(x, y) dy when x = 6 feet and y = 10 feet. dx b. If the surface area of the rectangular box is 312 square feet, find dy dx

Algebra: Structure And Method, Book 1
(REV)00th Edition
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Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
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Consider a closed rectangular box with a square base with side x and height y.
a. Find an equation for the surface area of the rectangular box.
S(r, y)
dy
when x = 6 feet and y = 10 feet.
dx
b. If the surface area of the rectangular box is 312 square feet, find
dy
da
Transcribed Image Text:Consider a closed rectangular box with a square base with side x and height y. a. Find an equation for the surface area of the rectangular box. S(r, y) dy when x = 6 feet and y = 10 feet. dx b. If the surface area of the rectangular box is 312 square feet, find dy da
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