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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![Please show your answers to at least 4 decimal places.
Suppose that f(x, y) = x³y². The directional derivative of f(x, y) in the direction < − 3, 3 > and at the
point (x, y) = ( − 2, − 1) is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb8216494-bf6c-44b6-949f-dd8ff9f3594a%2F658b6a59-5d1e-4b5d-a831-efa2b60985e9%2Fzsugwe_processed.png&w=3840&q=75)
Transcribed Image Text:Please show your answers to at least 4 decimal places.
Suppose that f(x, y) = x³y². The directional derivative of f(x, y) in the direction < − 3, 3 > and at the
point (x, y) = ( − 2, − 1) is
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