?Use a computer algebra system to graph f and to find \(f^{\prime}\) and \(f^{\prime
Chapter 4, Problem 21(choose chapter or problem)
Use a computer algebra system to graph f and to find \(f^{\prime}\) and \(f^{\prime \prime}\). Use graphs of these derivatives to estimate the intervals of increase and decrease, extreme values, intervals of concavity, and inflection points of f.
\(f(x)=\frac{1-e^{1 / x}}{1+e^{1 / x}}\)
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