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    Mathematics A-Level

    Exponential function

    What Exponential function means in Mathematics A-Level, as defined for AQA, Pearson Edexcel.

    Definitions of Exponential function

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    Reference: Pearson Edexcel

    A function with the variable in the exponent, written y = a^x where a is positive.
    Pearson Edexcel · Exponentials and logarithms (study guide)
    A function of the form y = a^x, where a > 0 and a ≠ 1; its variable is in the exponent.
    AQA · F: Exponentials and logarithms (study guide)

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