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 the critical point of the function f(x,y) = 7x²y² + 5y² + 9x².
o a. (0,1.13)
o b. (-0.85,0)
c. (0.85,0)
o d. (0,-1.13)
о е. (0,0)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3e81b16b-e14c-42ee-a19e-dd8a5dec8c22%2F442aedaf-0e69-4d40-b273-0de3f5858578%2F2v676f8_processed.png&w=3840&q=75)
Transcribed Image Text:Find the critical point of the function f(x,y) = 7x²y² + 5y² + 9x².
o a. (0,1.13)
o b. (-0.85,0)
c. (0.85,0)
o d. (0,-1.13)
о е. (0,0)
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