Form 4 & 5 Unit 1 Lesson 2 – Inverse Function

Objectives

At the end of the lesson, students should be able to

• Use the notation f^-1(x) to describe the inverse of a given function.

The inverse of a function is its reverse. The inverse of the function f(x) is written as f^-1 (x). When x in the expression, is made the subject, it becomes the inverse of the function.

Example 1

Example 2