Inverse functions

Front

What is an inverse function?

Back

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How do you find the inverse of a function algebraically?

Back

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Front

How do you verify if two functions are inverses?

Back

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Front

What does it mean if a function does not have an inverse?

Back

A function does not have an inverse if it is not one-to-one, meaning it does not pass the horizontal line test.

Front

What is the horizontal line test?

Back

The horizontal line test determines if a function is one-to-one. If any horizontal line intersects the graph more than once, the function does not have an inverse.