# 100-level Mathematics Revision Exercises

## Functions of Two Variables

These revision exercises cover functions of two variables, including understanding contours (level curves), finding partial derivatives, and finding and determining the nature of critical points. Worksheets 1-4 are taught in MATH108 and worksheets 5-7 are taught in MATH109.

- Contours or level curves (solutions)
- Partial derivatives (solutions)
- Critical points (solutions)
- Revision: Critical points (solutions)
- Chain rule (solutions)
- Directional derivatives and gradient (solutions)
- Revision: Functions of two variables (solutions)