Sivukartta Sulje 24. Expressions and functions 1. The function machine 2. The definition of a function Images 3. The graph of a function Images 4. Linear polynomial functions Images 5. The x-intercept of a function Images 6. Piecewise functions * Images 7. From observations to functions * Images 8. Number sequences The Fibonacci sequence Images 9. Arithmetic number sequences Images 10. Geometric number sequences Images 11. Solving an inequality graphically Images 12. Solving a pair of inequalities* Images 16. Revision Images Preliminary test Images