VMO 1967 Problem 1

Draw the graph of the function $y = \frac{| x^3 - x^2 - 2x | }{3} - | x + 1 |$ .

Dataset text AI-MO AoPS. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.