How to Find the Inverse Function

How to find the inverse function
  1. Write the equation as a linear equation (swap f(x) with y).
  2. Swap variables x and y.
  3. Solve for y.
  4. Apply the inverse notation (replace y with f^(-1)(x)).

Example

  1. Write the equation as a linear equation.
The function and the inverse are each other’s mirror images along the x = y line.

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Artturi Jalli

Artturi Jalli

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