IB skill practice

Interpret instantaneous rate of change

Use derivative values as instantaneous rates of change in context.

Paper 2 5 marks Difficulty 2

Interpret instantaneous rate of change - instantaneous derivative rate B11

A derivative model is \(f^\prime(x)=4x+14\). Enter the instantaneous rate at \(x=5\).

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.