IB Math AI HL · Unit 2 of 6

Unit 2: Functions

Unit 2 of IB Mathematics: Applications and Interpretation covers Functions. This unit contains 10 topics and 26 sub-topics. Below you'll find free study notes, flashcards, and exam preparation resources for every topic in this unit.

10 topics26 sub-topics

Exam technique guide

What Unit 2 covers

Lines, function features and modelling, composite and inverse functions, transformations and log scales.

Topics in Unit 2

2.1

Equations of a line

4 sub-topics

2.2

Functions, domains, ranges, and graphs

3 sub-topics

2.3

Graph of a function

3 sub-topics

2.4

Features of a graph

3 sub-topics

2.5

Modeling functions

5 sub-topics

2.6

Modeling skills

3 sub-topics

2.7

Composite & inverse functions (HL only)

2 sub-topics

2.8

Graph transformations (HL only)

1 sub-topics

2.9

HL modelling (HL only)

1 sub-topics

2.10

Log-log & semi-log graphs (HL only)

1 sub-topics

Study tip: Work through the topics in order — each builds on concepts from the one before. Start with notes, then reinforce with flashcards and practice questions.

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Unit 1 Unit 3