## Units 4 and 5: Functions/Linear Functions

###### Introduction to Functions, Comparison of Functions, Rate of Change, Slope, Graphing Functions

What is a Function?

The Vertical Line Test

Comparing Proportional Relationships - Khan Academy

The Troll Problem - Khan Academy

Graphing Linear Functions

Function: Linear or Non-Linear

Comparing Proportional Relationships - Khan Academy

(More) Graphing Linear Functions

Graph! Music Video (Help with graphing linear functions)

Interpreting a Graph - Khan Academy

Solving the Troll Problem Visually - Khan Academy