Hub: IGCSE maths past papers — Cambridge & Edexcel.

Functions (notation, composite, inverse, domain/range) are tested heavily on Higher routes. Math past papers IGCSE Edexcel often embed functions inside algebra or graph items — tag them when reviewing.

Question types from real papers

Type	Revision tip
f(g(x))	Substitute carefully; show brackets
Inverse	Swap x/y; rearrange
Graphs of f and f⁻¹	Reflection in y = x
Domain/range	State in set notation if asked

Resources

Edexcel algebra & functions article · Graphs topic · Hub: maths past papers

Frequently asked questions

Same as GCSE functions?

Similar skills; use IGCSE mark schemes for your code.

Modular 4WM1?

Modular maths papers.

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