Additional Mathematics 0606 / Factors and polynomials / 3.143.14: Sign set and expression for a cubic graph0606/12/O/N/21 — Question 1 · 4 marksMark as done · Save for later · Show all solutionsThe diagram shows the graph of the cubic function y=f(x)y = f(x)y=f(x). The intercepts of the curve with the axes are all integers.(a)Find the set of values of xxx for which f(x)<0f(x) < 0f(x)<0.[1]▸ Answer(b)Find an expression for f(x)f(x)f(x).[3]▸ Answer▸ Official mark scheme← 3.13: Coefficients from ppp and p′p'p′; remainder of p′′p''p′′3.15: Factor and remainder; three linear factors →
