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