3.11: Two cubics from an absolute-value graph

0606/12/M/J/25 — Question 1 · 3 marks

3.11 diagram
The diagram shows the graph of y=f(x)y = |f(x)|, where ff is a cubic polynomial.
Find expressions for the two possible functions f(x)f(x).
Write each expression in fully factorised form.
[3]