Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.4: Derivatives Of Exponential Functions
Problem 26E: Find derivatives of the functions defined as follows. y=4-5x+2
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![Find the derivative of the function at P in the direction of u.
f(x, y) = In(9x + 4y),
P(3,9), u = 6i + 8j
86
63
X](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F29c74d06-0f3b-4eb2-9c9d-dbbc1918002c%2F6dc7b462-dbd2-45f9-8046-3a74a21af521%2Ft2yniwe_processed.png&w=3840&q=75)
Transcribed Image Text:Find the derivative of the function at P in the direction of u.
f(x, y) = In(9x + 4y),
P(3,9), u = 6i + 8j
86
63
X
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