The inverse function for \(f(x)\) is written as \(f^{-1}(x)\). To find an inverse function, form an equation by giving the output value a name using a letter (such as \(y\)), then rearrange the ...

Support your confidence in this topic by refreshing your knowledge of substitution and changing the subject of formulae. A function takes an input value, applies a rule to it, and produces an ...