Functions introduction
2. Straight line (sketch)
3. Gradient and horizontal and vertical lines
4. Parabola introduction
5. Parabola sketch
6. Hyperbola introduction
7. Hyperbola sketch
8. Exponential function introduction
9. Exponential function sketch
10. Determining the equation of a straight line
11. Determining the equation of a parabola
12. Determining the equation of a hyperbola
13. Determining the equation of an exponential function
14. Function notation
15. Domain and range
16. Graphical interpretation