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:+64x-38y +2.
Find all maxima and minima for the function f(x,y) = - 7x - 2xy – 8y² +
If the function has local extrema, they will occur at points where the first derivatives f', (x,y) and f',(x,y) are both equal to zero.
Find the partial derivatives f', (x,y) and f'2(x,y).
f', (x.y) = - 14x – 2y + 64 , f'2(x,y)= - 2x – 16y – 38
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