Don’t even think about starting up your combo lemonade/froyo stand without first making sure you understand piecewise functions. You’re just asking for your stand to... fall down.

Up Next:
Domain and Range 
Up Next:
Functions as Models 
Up Next:
Introduction to Functions 
Up Next:
Function Rules, Tables, and Graphs 
Up Next:
Relations and Functions 
Up Next:
Translations and Functions 
Up Next:
Graphing Square Root Functions 
Up Next:
Graphing Absolute Value Equations