Question

The inverse of the function $f(x) = \frac{e^x - e^{-x}}{e^x + e^{-x}}+2$ is given by

• A. $log_e(\frac{x-2}{x+2})^{\frac{1}{2}}$
• B. $log_e(\frac{x-1}{x+1})^{\frac{1}{2}}$
• C. $log_e(\frac{1-x}{x*3})^{\frac{1}{2}}$
• D. $log_e(\frac{x-1}{x+1})^{\frac{1}{3}}$

Answer 1

Answer: (C)

$log_e(\frac{1-x}{x*3})^{\frac{1}{2}}$

Answer 2

The correct option is (C): $log_e(\frac{1-x}{x*3})^{\frac{1}{2}}$