Inverse & Composite Functions

What this note covers

1. One-to-One Functions and the Existence of an Inverse
2. Finding the Rule of an Inverse Function
3. Graphs of Inverse Functions — Reflection in y = x
4. Composite Functions — Definition and Rule
5. Domain and Range of a Composite Function
6. Inverse and Composite Functions Together — Key Identities
7. Exam Technique and Problem-Solving Strategy

7 sections · 12 key terms & formulas · 6 common mistakes