Question
Asked Oct 7, 2019
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How do you solve an inverse function? 

f(x)= 2x+3

 

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Expert Answer

Step 1

To find inverse of the function f(x) follow the following steps given below

  1. Replace f(x) with y.
  2. Then replace every x with a y and replace every y with an x.
  3. Solve the equation from Step 2 for y.
  4. Replace y with f-1(x).
  5. Then f-1(x) is the inverse of f(x).
Step 2

Given,

           f(x) = 2x + 3

           Replace f(x) with y, we get

           y = 2x + 3

           Now, replacing every x with a y and replace every y with an x.

           x = 2y + 3

     &n...

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Algebra

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