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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Please explain how to do domains of multi variable functions and the process of answering these questions.

Transcribed Image Text:1. Find the domain and level curves for each of the following.
(a) z = 1+a? + y
(b) z = v
Va2 – y – 3

Transcribed Image Text:Final Answers:
(a) domain= {(x, y) : x E R, y E R}
xy
level curves: y = (c - 1- x²)3
%3D
xz level curves: z = 1+ x² + c³
yz level curves: z = 1+c² + y³
(b) domain= {(x, y) : x E R, y E R, x² – 3 2 y}
xY
level curves: y = x2 – c² - 3
xz level curves: z = Vx? – c – 3
yz level curves: z =
V2 - y- 3
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