When using tables, graphs, and equations to compare functions, why do you find the equations for tables and graphs.

 A graph is a chart or drawing that shows the relationship between changing things. 
- They are a diagram displaying the relationship between numbers or amounts. 
- A graph is one of the easiest ways to compare numbers. 
- A graph or chart is used to present facts in visual form. 
- They are a drawing that displays the relative sizes of numerical quantities. 
- Graphs can be used to illustrate many types of data. 
- They should be used to make facts clearer and more understandable. 
- it shows trends over time. 
- Forceful -- Emphasizes main point 
- Convincing -- proves a point, see and hear 
- Compact way to convey information 
- More interesting than just talk or print 
- Quick way for the audience to visualize what you are saying -- numbers trends up or down 
- To bring facts to life 
- To show and compare relationships 
- To show and compare changes 
- They are much easier to understand then a large 
table of numbers 
- without 
the need to understand what each and every number in a table means. 
They help you visually see the difference between two or more values.

Ireally wish i can my h