# How to inverse function

STEP ONE: Rewrite f (x)= as y=. If the function that you want to find the inverse of is not already expressed in y= form, simply replace f (x)= with y= as follows (since f (x) and y both mean the same thing: the output of the function): ## Inverse Function Calculator

To find the inverse of a function, you switch the inputs and the outputs. Example: Let's take f (x) = (4x+3)/ (2x+5) -- which is one-to-one. Switching the x's and y's, we get x = (4y + 3)/ (2y + 5). 3 Solve for the new

## Inverse Functions

Inverse functions, in the most general sense, are functions that reverse each other. For example, here we see that function takes to , to , and to . The inverse of , denoted (and read as

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I need help determining a mathematic question. ## Finding inverse functions (article)

Enter the function below for which you want to find the inverse. The inverse function calculator finds the inverse of the given function. If f (x) is a given function, then the inverse of the

## Inverse Functions

Take a number (any that you want) and plug it into the first given function. Say you pick –4. When you evaluate f (–4), you get –11. As a point, this is written (–4, –11). Take the

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