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4th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781337687805

Chapter 3.8, Problem 30E

(a)

To determine

**To find:** The value of

Expert Solution

The value of

The cost function is

Obtain the derivative of the cost function.

Substitute *q* = 100 in

The value of

(b)

To determine

**To find:** Compare the values of

Expert Solution

The cost of manufacturing the 101^{st} pair of jeans is approximately $0.13.

The cost function is

From part (a),

The cost of manufacturing the 101^{st} item is calculated by,

Substitute *x* = 100 in

Substitute *x* = 101 in

Substitute the respective values in

The cost of manufacturing the 101st pair of jeans is approximately $0.13, which is very close to the cost of