Consider a function \(f\) which has a first derivative given by \(f'(x) = x^2 - x - 1\), where&nbsp;\(x \in \mathbb{R}\). Find the range of values of \(x\) for which \(f\) is decreasing.[4]

Consider a function \(f\) which has a first derivative given by \(f'(x) = x^2 - x - 1\), where \(x \in \mathbb{R}\).
Find the range of values of \(x\) for which \(f\) is decreasing.

Applications of Differentiation

International Baccalaureate Mathematics: Analysis and Approaches Standard Level

2026 MAY TZA P2 Q2

2026 MAY TZA P2 Q2