1. Make sense of problems and persevere in solving them. 2. Reason abstractly and quantitatively. 3. Model with mathematics. 4. Attend to precision. 5. Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output. 6. Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions).