Learn how to find the formula of the inverse function of a given function. For example, find the inverse of f (x)=3x+2. Inverse functions, in the most general sense, are functions that reverse each other. For example, if takes to , then

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How to tell if a function is inverse

The inverse composition rule. These are the conditions for two functions and to be inverses: for all in the domain of. for all in the domain of. This is because if and are inverses, composing

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Steps on How to Verify if Two Functions are Inverses of Each Other If true, move to Step 2. If false, STOP! That means f ( x) f\left ( x \right) f (x) and g ( x) g\left ( x \right) g(x) are not inverses.