One-to-one functions and inverse functions

What this note covers

1. Testing one-to-one behaviour
2. Restricting a quadratic
3. Domain and range swap
4. Reflection in y=x
5. Inverse of a rational function
6. Derivative of an inverse
7. Restricted quadratic inverses: branches, graphs and derivative checks
8. Rational inverse and reciprocal-slope analysis

8 sections · 10 key terms & formulas · 6 common mistakes