Additional Mathematics 0606 / Equations, inequalities and graphs / 3.913.91: Use a cubic graph to solve an inequality0606/23/O/N/24 — Question 1 · 3 marksMark as done · Save for later · Show all solutionsThe diagram shows the graph of y=(x+1)(x−1)(x−2)y = (x + 1)(x - 1)(x - 2)y=(x+1)(x−1)(x−2).Use the graph to solve the inequality (x+1)(x−1)(x−2)⩽1(x + 1)(x - 1)(x - 2) \leqslant 1(x+1)(x−1)(x−2)⩽1.[3]▸ Answer▸ Official mark scheme← 3.90: Simplify (5−3)(6+2)−2(5 - \sqrt{3})(\sqrt{6} + \sqrt{2})^{-2}(5−3)(6+2)−2 to a+b3a + b\sqrt{3}a+b33.45: Quartic from linear factors: sketch and inequality →
