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    Mathematics A-Level

    rates of change

    What rates of change means in Mathematics A-Level, as defined for WJEC.

    Definitions of rates of change

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    Reference: WJEC

    Instantaneous rates of change given by derivatives dy/dt, such as litres per minute or metres per second squared, articulated with their contextual meaning.
    WJEC · Overarching themes - Mathematical modelling
    A rate of increase of quantity y with respect to time t is written as dy/dt > 0, while a rate of decrease is −dy/dt.
    WJEC · Differentiation (A2 Unit 4: Applied Mathematics B) (study guide)

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