Describe the domain and range of the function. KX, y) = 9x2 - y

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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Describe the domain and range of the function.
F(x, y) = 9x2 - y
Domain:
O(X, y): x is any real number, y is any real number
0{x,v):x20, y 2 0}
(x, V): × # 0, y # 0
{x, v): y 2 0
Range:
Oz> 0
Oz2 9
all real numbers
Z20
Transcribed Image Text:Describe the domain and range of the function. F(x, y) = 9x2 - y Domain: O(X, y): x is any real number, y is any real number 0{x,v):x20, y 2 0} (x, V): × # 0, y # 0 {x, v): y 2 0 Range: Oz> 0 Oz2 9 all real numbers Z20
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