Functions can even be used to make intricate designs and works of art! An example of this is fractal art, which is created by repeating simple functions many times. 

Solve math problems, activities and exercises related to "How Do You Read Information From a Graph?".

. By plotting these in a coordinate system you can visualize the relationship between the input, 

, of the function. This is what we mean by drawing a graph.

A function is a relationship between two — or more — variables. If you input a number into a function, it can only output one value.

The horizontal axis in a coordinate system

The vertical axis in a coordinate system. Often called 

Every point in the coordinate system has coordinates of the form 

. The first coordinate tells you where the point is along the 

-axis, and the second coordinate tells you where the point is placed along the 

A tool for representing points using a pair of numerical values as coordinates. Consists of two axes, 

-axis and four sections called a quadrants.