Suppose ƒ (x, y) = , P = (1, −1) and v = 2i – 2j. A. Find the gradient of f. Vƒ = Note: Your answers should be expressions of x and y; e.g. "3x - 4y" B. Find the gradient of f at the point P. (Vƒ) (P) = Note: Your answers should be numbers
Suppose ƒ (x, y) = , P = (1, −1) and v = 2i – 2j. A. Find the gradient of f. Vƒ = Note: Your answers should be expressions of x and y; e.g. "3x - 4y" B. Find the gradient of f at the point P. (Vƒ) (P) = Note: Your answers should be numbers
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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
Transcribed Image Text:A. Find the gradient of f.
Vf
Note: Your answers should be expressions of x and y; e.g. "3x - 4y"
B. Find the gradient of f at the point P.
(Vƒ) (P) =
Note: Your answers should be numbers
Suppose f (x, y) = , P = (1, −1) and v = 2i – 2j.
=
C. Find the directional derivative of f at P in the direction of V.
Duf =
Note: Your answer should be a number
D. Find the maximum rate of change of f at P.
Note: Your answer should be a number
u=
E. Find the (unit) direction vector in which the maximum rate of change occurs at P.
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