What is the domain and what is the range

The domain is a set of all possible values for variables that are input in to a function.

The range of a funciton is a set of values that may be the output of a funciton. 

For one to one functions, the inverse function has the range of the domain of the original function, and has the domain of the range of the original function.

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Answered by Tom H. Maths tutor

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