1. Find the derivative of the function at P in the direction of u. Sketch the graph of each, if possible. a) g(x,y)=*-y xy +2' X-y, P(1,-1), u= 12i + 5j

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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1. Find the derivative of the function at P in the direction of u. Sketch the graph of each,
if possible.
x-y
a) g(x,y)=
xy +2
P(1,–1), u= 12i + 5j
b) f(х, у)- tan'
2+3 sin
ху
P(,1), и — 3і - 2j
%3D
%3D
2
c) h(x,y,z)= cos xy+e* +In zx, P(1,0,1/2), u=i +2j + 2k
Transcribed Image Text:1. Find the derivative of the function at P in the direction of u. Sketch the graph of each, if possible. x-y a) g(x,y)= xy +2 P(1,–1), u= 12i + 5j b) f(х, у)- tan' 2+3 sin ху P(,1), и — 3і - 2j %3D %3D 2 c) h(x,y,z)= cos xy+e* +In zx, P(1,0,1/2), u=i +2j + 2k
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