IB skill practice

Use recurrence closed forms

Use a first-order recurrence closed form for repeated change.

Paper 1, Paper 2 5 marks Difficulty 4

Use recurrence closed forms - exam scenario

A wildlife monitor recurrence has closed form \(u_n=26(0.81)^n\). Find \(u_5\). Enter the requested value and choose the interpretation that matches the result.

Worked practice: result and interpretation

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