### What is a graph?

In this post, we understand the concept of the graph of a function as a part of the Prelim Maths Advanced course under the topic Working with Functions and sub-part Introduction to Functions. A **graph** is a figure that visually depicts all possible points of the inputs and outputs of a function on the two axes.

### How to graph a basic function

This video covers the step-by-step methodical procedure you should take when attempting to graph a linear function.

### Finding the domain and range of functions

This video covers the necessary steps on finding the domain and range, also taking into account the two main rules of mathematic, “you can’t divide by zero” and “you can square root a negative number.”

### How to graph a quadratic

This video covers the step-by-step methodical procedure you should take when attempting to graph a quadratic function.