Use the Chain Rule to find dz/dt. z = cos(x + 7y), x = 45, y = 9/t

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.
Chapter6: Applications Of The Derivative
Section6.4: Related Rates
Problem 3E: Assume x and y are functions of t. Evaluate dydtfor each of the following. 2xy5x+3y3=51;...
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Use the Chain Rule to find dz/dt.
z = cos(x + 7y),
x = 4t5, y = 9/t
63
dz
dt
72 sin(x + 7y) x
Transcribed Image Text:Use the Chain Rule to find dz/dt. z = cos(x + 7y), x = 4t5, y = 9/t 63 dz dt 72 sin(x + 7y) x
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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,