Skip to content

Home
Subjects
Past Papers
Key Terms

My Courses

Select your courses

Subjects

History
Geography
Biology
Chemistry
Physics
Mathematics

Resources

Browse Courses
Past Papers
Key Terms & Definitions
Pricing

About

Sign Up
Log In
Privacy Policy
Terms of Service

© 2026 GradeGen.AI

Not affiliated with any exam board.

Inner function — OCR Mathematics Definition | GradeGen.AI

Courses
Mathematics
Key Terms
Inner function

GCSEOCRJ560

Inner function

Key term for OCR GCSE Mathematics, used in Functions.

Definition

In a composite function like $fg(x)$ , the function closest to the variable $x$ which is applied first.

Exam Context

Inner function appears in OCR GCSE Mathematics revision content for Algebra, especially Functions and Function Notation.

Algebra Functions Function Notation

Found in Revision Notes

Algebra

Function Notation

Functions • Function Notation

Related Key Terms

Composite function Dependent variable Function Function machine

Revise Mathematics with GradeGen.AI

Create a free account to access OCR GCSE Mathematics revision notes, track progress, and practise related key terms.

Sign Up to Start Revising Log In

Function notation

Independent variable

Inverse function