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2nd Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781133112280

Chapter 11.3, Problem 4E

(a)

To determine

The sign of the partial derivative for the function *f* is to be determined.

(b)

To determine

The sign of the partial derivative for the function *f* is to be determined.

(c)

To determine

The sign of the partial derivative for the function *f* is to be determined.

(d)

To determine

The sign of the partial derivative for the function *f* is to be determined.