5. Describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear). Sketch a graph that exhibits the qualitative features of a function that has been described verbally.
Is every graph a function?We might see functions all around us, but are they all really functions?
Regardless, I bet we could create a situation to match each graph. 

Function Video MontageUse this video to help you study vocab and main points of the unit.
