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Inverse Functions
   Problem 1.2 (complexity 1). Solution

Given:    Find:  

 
Solution
1. y =     Write y instead of f(x).
2. x =     Interchange x and y.
3.   = x   Solve the equation x = f(y) for y.
    =      
  y =      
4. f-1(x) =     Write f -1(x) instead of y.

Answer:  


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