If f(x, y) = xy, find the gradient vector Vf(3, 7) and use it to find the tangent line to the level curve f(x, y) = 21 at the point (3,7). gradient vector tangent line equation × Sketch the level curve, the tangent line, and the gradient vector. 14 12 10 8 6 4 2 y 5 10 15 20 X y 15 10 5 -5 5 10 15 20 20

If f(x, y) = xy, find the gradient vector Vf(3, 7) and use it to find the tangent line to the level curve f(x, y) = 21 at the point (3,7). gradient vector tangent line equation × Sketch the level curve, the tangent line, and the gradient vector. 14 12 10 8 6 4 2 y 5 10 15 20 X y 15 10 5 -5 5 10 15 20 20

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.3: Lines

Problem 31E

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