?A function and its inverse function The function \(f(x)=\frac{x}{x+1}\) is one-to-one
Chapter 7, Problem 221(choose chapter or problem)
A function and its inverse function The function \(f(x)=\frac{x}{x+1}\) is one-to-one for x > -1 and has an inverse on that interval.
a. Graph f for x > -1.
b. Find the inverse function \(f^{-1}\) corresponding to the function graphed in part (a). Graph \(f^{-1}\) on the same set of axes as in part (a).
c. Evaluate the derivative of \(f^{-1}\) at the point \(\left(\frac{1}{2},\ 1\right)\).
d. Sketch the tangent lines on the graphs of f and \(f^{-1}\) at \(\left(1,\ \frac{1}{2}\right)\) and \(\left(\frac{1}{2},\ 1\right)\), respectively.
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