AP Calculus BC : Equations Involving Derivatives

Study concepts, example questions & explanations for AP Calculus BC

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Example Questions

Example Question #61 : Derivatives

The temperature profile of a system is given by

The heat flux is given by Fourier's law, , where k is a constant.

Find the heat flux for the given profile.

Possible Answers:

Correct answer:


To find the heat flux, we must find the change in temperature with respect to x:

The derivative was found using the following rule:

Plugging this into Fourier's law, we get 

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