The concept of a function

The concept of a function

A unifying idea in mathematics

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The function concept is one of the fundamental constructs in school mathematics and teachers need to have a firm and flexible grasp of this construct. Dr Nyikahadzoyi investigated prospective high school mathematics teachers understanding of this construct. A sophisticated conceptual framework using historical sources and constructs from mathematical learning theories was constructed to guide the investigation. This framework was applied to prospective teachers responses to items related to functions. The conclusion reached is that prospective teachers hold primarily a process conception of a ...