Modeling with Functions Part 1

We model real life scenarios of sales and volume of a box with functions. These type of PreCalculus questions will help to prepare for the sections of Calculus called Related Rates. Check out http://www.ProfRobBob.com, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage www.YouTube.com/Profrobbob