Answered: Compute the directional derivative of f…

Compute the directional derivative of f at the given point in the direction of the indicated vector. f(x, y) = e -y, (1, 4), u in the direction of –4i – j Du f(1, 4) =

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.3: Lines

Problem 21E

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Question

Compute the directional derivative of f at the given point in the direction of the indicated vector.
f(x, v) = eAx" -y, (1, 4), u in the direction of –4i – j
Duf(1, 4) =

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