This document covers functions and their inverses. It includes examples of equality of functions, inverse functions for injective, surjective, and bijective functions. Diagrams and multiple examples are provided to illustrate inverse functions and how they relate the inputs and outputs of different types of functions.

1. Equality of Functions – (17 - 2)

2. Example – (17 – 2a)

3. Example – (17 – 2b)

4. Example – (17 - 3)

5. Solution – (17 – 3a)

6. Inverse of a Function – (17 - 4)

7. Inverse of Injective Function – (17 - 5)

8. Inverse of Surjective Function – (17 - 6)

9. Inverse of Bijective Function – (17 -7)

10. Inverse Function – (17 - 8)

11. Arrow Diagram – (17 – 8a)

12. Example – (17 - 9)

13. Example – (17 - 11)

14. Example – (17 – 11a)

15. Example – (17 – 11b)