Functions: Sources

Lumen Learning. Functions and Function Notation, Domain and Range, Composition of Functions, and Inverse Functions, College Algebra. License: CC BY: Attribution.

Davis, Stephen. (2019). Chapter 3, Sections 6 and 7. A Cool Brisk Walk Through Discrete Mathematics, version 2.2. License: CC BY-SA: Attribution-ShareAlike.

Doerr, Al and Levasseur, Ken. (2024). Chapter 7. Applied Discrete Structures, https://discretemath.org/. License: CC BY-NC-SA: Attribution-NonCommercial-ShareAlike.

Jamaloodee, Mohamed, et al. Chapter 6 and Appendix 1. Discrete Math. Georgia Gwinnett College, Accessed 19 January 2025. License: CC BY-NC: Attribution-NonCommercial.

Levin, Oscar. (2023). Chapter 0, Section 4. Discrete Mathematics: An Open Introduction, https://discrete.openmathbooks.org/dmoi3/, 3rd edition. License: CC BY-SA: Attribution-ShareAlike.