Vhat are the dimensions x, y, and z that result in the largest volume of the

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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**Problem Description:**

A covered box is to be made from a rectangular sheet of cardboard measuring 5 ft by 8 ft. This is done by cutting out the shaded regions of the diagram below and folding on the dotted lines. What are the dimensions \( x \), \( y \), and \( z \) that result in the largest volume of the box?

**Steps:**

i. **Write an equation for the quantity to be optimized.**

ii. **Read the problem again and using the information given, write two equations relating variables.**

iii. **Using the relationships found in part (b), reduce your equation in (a) to an equation in one variable (write it in terms of \( x \)) and simplify.**

iv. **What is the domain (range of possible values for \( x \))?**

v. **Use appropriate test to find the optimal value.**

vi. **Read the problem again and report your conclusions.**

---

**Explanation of the Diagram:**

The diagram shows a rectangular sheet with dimensions labeled. The sheet's width is divided into sections labeled \( x \) and \( y \), while the length is shown with a segment \( z \). The shaded areas illustrate sections to be cut out and represent where the sheet will be folded to form a box. The dotted lines indicate where the folding will occur. 

The task is to determine the dimensions \( x \), \( y \), and \( z \) that will maximize the volume of the resulting box.
Transcribed Image Text:Sure, here is a transcription suitable for an educational website: --- **Problem Description:** A covered box is to be made from a rectangular sheet of cardboard measuring 5 ft by 8 ft. This is done by cutting out the shaded regions of the diagram below and folding on the dotted lines. What are the dimensions \( x \), \( y \), and \( z \) that result in the largest volume of the box? **Steps:** i. **Write an equation for the quantity to be optimized.** ii. **Read the problem again and using the information given, write two equations relating variables.** iii. **Using the relationships found in part (b), reduce your equation in (a) to an equation in one variable (write it in terms of \( x \)) and simplify.** iv. **What is the domain (range of possible values for \( x \))?** v. **Use appropriate test to find the optimal value.** vi. **Read the problem again and report your conclusions.** --- **Explanation of the Diagram:** The diagram shows a rectangular sheet with dimensions labeled. The sheet's width is divided into sections labeled \( x \) and \( y \), while the length is shown with a segment \( z \). The shaded areas illustrate sections to be cut out and represent where the sheet will be folded to form a box. The dotted lines indicate where the folding will occur. The task is to determine the dimensions \( x \), \( y \), and \( z \) that will maximize the volume of the resulting box.
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