Consider a closed rectangular box with a square base with side z and height y. a. Find an equation for the surface area of the rectangular box. S(1, y) = dy b. If the surface area of the rectangular box is 240 square feet, find when a = 6 feet and y = 7 feet. dr dy dr

Mathematics For Machine Technology
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ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter85: Hexadecimal Numeration System
Section: Chapter Questions
Problem 5A
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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(x, y) =
dy
when z = 6 feet and y = 7 feet.
dx
b. If the surface area of the rectangular box is 240 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(x, y) = dy when z = 6 feet and y = 7 feet. dx b. If the surface area of the rectangular box is 240 square feet, find dy da
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