Mathematics A-Level
Price and demand as related changing quantities
What Price and demand as related changing quantities means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Price and demand as related changing quantities
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Reference: Pearson Edexcel
If demand x falls at a rate proportional to its current value, the equation is dx/dt = −kx.
Topics that use Price and demand as related changing quantities
- Differentiation (Pearson Edexcel A-Level)
Related terms
- Chain rule
- Composite function
- connected rates of change
- Derivative
- differentiation from first principles
- Implicit differentiation
- Increasing and decreasing functions and points of inflection
- Modelling real situations with derivatives
Using Price and demand as related changing quantities in the exam
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