IB Math AI SL 2.2 – Functions
This printable and editable worksheet introduces students to the foundational concepts of functions, emphasizing the relationships between domain, codomain, and range. Students learn to identify whether a relation qualifies as a function, represent mappings through arrow diagrams, and express functions using algebraic notation and ordered pairs.
Through a sequence of scaffolded exercises, students practice determining domains and ranges for various types of functions—including rational, quadratic, and linear forms—and explore how restrictions affect the validity of a function. Later sections extend to finding inverse functions and determining their respective domains, reinforcing conceptual understanding of functional reversibility.
Aligned with the IB Math AI SL Topic 2.2 syllabus—the “Functions” section—this worksheet is ideal for in-class practice, homework, or review sessions, helping students build confidence with key concepts and strengthen the link between visual, algebraic, and conceptual representations of functions.
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