Relations and Functions, Part 1
Who plays the same instrument as whom? A relation records which pairs are linked.
In this lesson you will
- Describe a relation on a set as a set of ordered pairs
- Test a relation for the reflexive, symmetric and transitive properties
- Prove that a relation is an equivalence relation and find its classes
- Find the domain and range of a real function
- Classify a function as one-one or many-one, and onto or into
| Imagined Shillong music club | Instrument |
|---|---|
| Ama, Banri | guitar |
| Daphi, Iba, Kyrsoi | drums |
| Lamphrang | flute |