Domain and range from a rule (Domain = admissible inputs; range = actual outputs (subset of codomain))
jee-mainjee-advanced
Domain = admissible inputs; range = actual outputs (subset of codomain)
What each symbol means
| Symbol | What it stands for |
|---|---|
| dom(f) | Set of x for which f(x) is defined and in Y per rule |
| range(f) | Image set {f(x)} |
When to use this
Real JEE problems: watch square roots, logs, denominators, arcsin/arccos domains.