Key term for Edexcel GCSE Mathematics, used in Ratio and Proportion Fundamentals.
A process where a quantity decreases by a fixed percentage over equal time intervals, resulting in a non-linear downward curve.
Exponential decay appears in Edexcel GCSE Mathematics revision content for Ratio, Proportion and Rates of Change, especially Ratio and Proportion Fundamentals and Growth and Decay.
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Algebra
Graphical Methods • Function Types
