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:Describe the domain and range of the function.
f(x, y) = 9x² –y
Domain:
O(x, y): x # 0, y #
{(x, v): x 2 0}
3(x, y): x is any real number, y is any real number
>
(x, y): x > 0, y > 0
Range:
O z z 0
Oz29
O z + 0
Oz> 0
O all real numbers
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