# Chapter 7 - Exponential Functions - 7.1 Derivative of f(x)=bx and the Number e - Exercises - Page 327: 21

$$f'(x)=\pi e^{\pi x}.$$

#### Work Step by Step

Since we have $$f(x)=e^{\pi x}$$ then the derivative $f'(x)$ is given by $$f'(x)=\pi e^{\pi x}.$$

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