Chapter 10, Problem 50RE

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11th Edition

Ronald J. Harshbarger + 1 other

ISBN: 9781305108042

Textbook Problem

** Printing design** A page is to contain 56 square inches of print and have a

To determine

**To calculate:** The dimensions that minimize the size of the page if a page is to contain 56 square inches of print, the page have a margin of

Explanation

**Given Information:**

The provided information is a page is to contain 56 square inches of print and have a

**Formula Used:**

When the sides of a playpen are given as *x* and *y*, then the area of rectangle is:

**Calculation:**

In order to minimize the area, the following steps have to follow:

As per the given information:

The area function is as follows:

When the sides of a playpen are given as *x* and *y*, then the area is:

And,

As per the given information:

Or,

Put the value on the original area equation:

Take out the first derivative of the equation by the power rule,

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