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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Question
Solve for fx(-9, 9) and fy(-9, 9).
f(x, y) = 5x2 + 8xy + 4y2 + 6x − 9y; (−9, 9)
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