Functions, inputs and outputs
Functions, inputs and outputs
A function gives exactly one output for each allowed input. The allowed inputs are called the domain, and the outputs you can get are called the range.
Functions, inputs and outputs
Functions, inputs and outputs
A function gives exactly one output for each allowed input. The allowed inputs are called the domain, and the outputs you can get are called the range.
Step-by-step lessons covering Edexcel IGCSE Maths Inverse and Composite Functions for IGCSE Maths. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Build confidence with the shared Foundation-tier content first, since roughly 40% of Higher-tier marks are targeted at the grades 4–5 boundary that both tiers have in common.