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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![Find both first partial derivatives.
= 4y?Vx
z =
az
ax
az
ду](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff302282a-e458-40b0-b5d9-de33392a2e0c%2F7f9e8c55-cbe2-4431-931b-4c35fe2a4e98%2Fujsnhzq_processed.png&w=3840&q=75)
Transcribed Image Text:Find both first partial derivatives.
= 4y?Vx
z =
az
ax
az
ду
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