Differentiation
Concave, Convex and Points of Inflection
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What you need to know
Specification
Note if the question uses the phrases "fully justify", "show that", "prove" or "exact value" you will be unable to use the differentiation function on your calculator and will need to show full workings to gain marks.
Revision Resources
Integral maths - Differentiation 1: Shapes of Curves
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What does concave and convex mean?
Finding where a curve is concave or convex
Finding a non stationary point of inflection
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