Parts A and B please

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Parts A and B please

Expert Solution
Step 1

a) It is given that, a box has square base of side x and height h. The volume is 15 and surface area is small as possible.

Step 2

Use the given volume of the square as,

Calculus homework question answer, Step 2, Image 1
Step 3

From the surface area of the square,

Calculus homework question answer, Step 3, Image 1
Step 4

Take the derivative and equate to 0 as,

Calculus homework question answer, Step 4, Image 1
Step 5

Obtain the value of h as,

Calculus homework question answer, Step 5, Image 1
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