2020 May June Paper 11 Q1
The diagram shows the graph of a cubic curve y = f(x).
(a) Find an expression for f(x). [2]
(b) Solve f(x) ≤ 0. [2]
2020 Oct Nov Paper 12 Q2
The diagram shows the graph of y = f(x), where f(x) is a cubic polynomial.
(a) Find f(x). [3]
(b) Write down the values of x such that f(x) ≤ 0. [2]