When sketching inverse functions we can use both the original graph and equation to determine what the inverse function will look like. This is part of the Prelim Maths Extension 1 Syllabus from the topic Functions: Further, Work with Functions. In particular, we will learn to examine the relationship between the graph of = () when squared and square rooted.
How to graph squared functions
Let’s start by learning how to graph squared functions.
Here’s another video on learning how to graph squared functions: