Mathematics for IGCSE & O level - Functions (Section 2 - No. 38)

Which of the following steps are involved in finding an inverse function, f⁻¹(x)?

Replace f(x) with y

Rearrange the formula to make x the subject.

Replace x with f⁻¹(x) and y with x

Write the equation in the form of a mapping diagram.

These steps are used in finding the inverse of a function.