Function definitions and notation

This sub-topic covers the core definition of a function, standard IB notation, and key concepts of domain, codomain and range. You will learn how to test whether a relation is a function, the foundation for all further work on functions.

📖Study Guide

In-depth bilingual notes with worked past paper examples.

✍️Practice Exam

Timed practice questions with mark scheme grading. Coming soon.

🎴Flashcards

Spaced repetition for key concepts and definitions. Coming soon.

📊Visualizer Coming Soon

Interactive plots and diagrams to build intuition. Coming soon.

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