Mathematics A-Level
decreasing functions
What decreasing functions means in Mathematics A-Level, as defined for WJEC.
Definition of decreasing functions
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Reference: WJEC
On an interval, if f'(x) ≤ 0 throughout, then f is decreasing.
Topics that use decreasing functions
- Differentiation (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- algebraic preparation
- Derivative
- derivative sign analysis
- differentiation from first principles
- linear operator
- Normal
- second derivative
- sketching gradient functions
Using decreasing functions in the exam
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