Functions show the relation between input (x) and output (y).  It is important to know some of the important terminology around functions. 

What you should know after today

• explain why data points should or should not be connected on a graph
• draw a graph from a set of data (ordered pairs, tables of values or equation) and determine whether it represents a linear relation
• identify independent and dependent variables
• determine whether a situation (set of data or table) represents a linear relation and explain why or why not

Resources

• Notes

Assignment

• p287 #1-10