In Example 3 we can solve the constraint equation (2) for x instead of w to get

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In Example 3 we can solve the constraint equation (2) for x instead of w to get x = 20 - 1/2 w. Substituting this for x in (1), we get

Sketch the graph of the equation

and show that the maximum occurs when w = 20 and x = 10.

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Calculus And Its Applications

ISBN: 9780134437774

14th Edition

Authors: Larry Goldstein, David Lay, David Schneider, Nakhle Asmar

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