Pure Mathematics 1 1.2 Functions 1.2.2 Composite functions Key ConceptsLearn FirstLoading… Key FormulasKnow TheseLoading… Common MistakesAvoid TheseLoading… StrategyApply ThisLoading…9709-P1-SUB-1.2.2-115 QuestionsLoading… 9709-P1-SUB-1.2.2-215 QuestionsLoading…