\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Consider the function \(f(x) = \dfrac{5}{x}\) for \(x \neq 0\).
  1. Find the inverse function, \(f^{-1}(x)\).
  2. Compare \(f(x)\) and \(f^{-1}(x)\) and explain what it means for a function to be its own inverse.

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