IB skill practice

Analyse increasing and decreasing intervals

Use derivatives to classify stationary points and describe increasing or decreasing behaviour.

Paper 1 5 marks Difficulty 3

Classify a stationary point from vertex form

For \(f(x)=2(x-3)^{2}+1\), use calculus ideas to state the stationary point and classify it.

Worked practice: stationary point

Find the stationary coordinates and classify the turning point from the graph shape.