College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter2: Functions And Graphs
Section2.6: Proportion And Variation
Problem 17E: Find the constant of proportionality. y is directly proportional to x. If x=30, then y=15.
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![Q3:- Find and sketch the domain of the following equations:-
(1) f (x,y) = Ln(1– x² – y²) (2)f(x, y) = /x² + y² – 9
(5) f (x,y) = Ln(x* – y)
(3) f (x, y) =
y2-x
(4) f (x, y) = Ln(y – x³)
(6) f(x,y) = Ln(yx)
x²y
Q4:- Exam the limit of f (x,y) =
x*+y2
; (xy) # (0,0) as (x,y) → (0,0) along the](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F632ec8c5-4548-4149-8cda-9adda30424a4%2Fae192a2b-8c60-4789-93c1-e06792a1297f%2Fgl0cene_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q3:- Find and sketch the domain of the following equations:-
(1) f (x,y) = Ln(1– x² – y²) (2)f(x, y) = /x² + y² – 9
(5) f (x,y) = Ln(x* – y)
(3) f (x, y) =
y2-x
(4) f (x, y) = Ln(y – x³)
(6) f(x,y) = Ln(yx)
x²y
Q4:- Exam the limit of f (x,y) =
x*+y2
; (xy) # (0,0) as (x,y) → (0,0) along the
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