For f(x,y)=-6x'y° : (a) Determine fx(x,y) . 6.6 Answer: -42x (b) Determine fy(x,y). Answer: -36x 7.5 'x

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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For f(x,y)=-6x7y6:
(a) Determine fy(x,y).
6 6
Answer: -42r,6
(b) Determine fy(x,y).
7 5
Answer: -36x'x
Transcribed Image Text:For f(x,y)=-6x7y6: (a) Determine fy(x,y). 6 6 Answer: -42r,6 (b) Determine fy(x,y). 7 5 Answer: -36x'x
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