Answer: In Exercises 38, find the value of the derivative (if it exists) at each

Chapter 4, Problem 4

(choose chapter or problem)

In Exercises 3–8, find the value of the derivative (if it exists) at each indicated extremum.

\(f(x)=\cos \frac{\pi x}{2}\)

Equation Transcription:

Text Transcription:

f(x) = cos pi x/2

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