Assume that x=x(t) and y=y(t). Let y=x3+5 and dx/dt​=4 when x=3.   Find dy/dt when x=3.

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
Section4.3: The Chain Rule
Problem 4YT: YOUR TURN Find dy/dx if y=5x2-6x-2.
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Assume that x=x(t) and y=y(t). Let y=x3+5
and dx/dt​=4 when x=3.
 
Find dy/dt when x=3.
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