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    Mathematics A-Level

    Domain of a composite function

    What Domain of a composite function means in Mathematics A-Level, as defined for Pearson Edexcel.

    Definition of Domain of a composite function

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    Reference: Pearson Edexcel

    The set of x in the domain of g for which g(x) lies in the domain of f.
    Pearson Edexcel · Algebra and functions (study guide)

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