# Simple functions, function notation, & graphs resources

### Quick Reference (6)

The graph of a function

This leaflet reminds students of important conventions associated with graph plotting.
It explains the terms dependent variable and independent variable.(Engineering Maths First Aid Kit 3.2)

The graph of a function

A very useful pictorial representation of a function is the graph. In this leaflet, we remind you of important conventions when plotting a graph.

What is a function?

A quantity whose value can change is known as a variable. Functions are used to describe the rules which define the ways in which such a change can occur. The purpose of this leaflet is to explain functions and their notation.

What is a function?

This introductory leaflet explains what is meant by a function, gives functional notation, and some simple examples. (Engineering Maths First Aid Kit 3.1)

x-y plots

This leaflet explains about how points are plotted on a simple graph. It explains words such as origin, coordinates, axes.