H2 Maths Notes (JC 1-2): 1.1) Functions

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07 Oct 2025, 00:00 Z

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Marcus Pang·Managing Director (Maths)

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Q: What does H2 Maths Notes (JC 1-2): 1.1) Functions cover?
A: Domains, ranges, inverse checks, and composite workflows for Section A Topic 1.1 of the 2026 H2 Maths syllabus.

Before you revise
Keep a running list of domain restrictions (denominators, even roots, logarithms). Test every claim with quick substitutions or GC trace-functions questions are marked on precision.

Status: SEAB H2 Mathematics (9758, first exam 2026) syllabus last checked 2025-11-29 (PDF last modified 2024-10-16). Topic 1.1 expectations unchanged; Section A still contributes 70 marks per paper (Pure Mathematics).

Core Concepts

• A function $f: A \to B$ assigns each $x \in A$ to one output $f(x) \in B$