PLEASE HELP IM STUCK. :(

What function has an inverse function that is well-defined? What process should I go through to determine the original function if all I was given were the inverse function and a table of values for that function? Example??

Such an a exists, because f is onto, and there is only one such element a because f is one-to-one. Therefore, f−1 is a well-defined function. If a function f is defined by a computational rule, then the input value x and the output value y are related by the equation y=f(x).

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PLEASE HELP IM STUCK. :( What function has an inverse function that is well-defined? What process should I go through to determine the original function if all I was given were the inverse function and a table of values for that function? Example??

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PLEASE HELP IM STUCK. :(

What function has an inverse function that is well-defined? What process should I go through to determine the original function if all I was given were the inverse function and a table of values for that function? Example??