In the first couple of chapters, Dr. Axler covers the properties of real numbers, and gives a throughout exploration of functions in his textbook for Math 199 (Precalculus at SFSU).

### Flashcards

You can take the file to a print shop to have directly printed and cut for you, or print it double sided on regular paper and cut + paste onto index cards. Get creative!

### Helpful Khan Academy Videos:

- Graphing Absolute Value Functions
- Finding Domain of Functions
- Manipulating Functions (Shift, stretch and reflect)
- Composing Functions
- Parallel and Perpendicular Lines
- Finding Vertex of a Quadratic Function from Standard Form
- Intro to Inverse Functions

More resources to come!