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graph of | x^3 - x^2 - 2x | / 3 - | x + 1 |

Source: Vietnamese MO (VMO) 1967

August 22, 2018
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Problem Statement

Draw the graph of the function y=∣x3−x2−2x∣3−∣x+1∣y = \frac{| x^3 - x^2 - 2x | }{3} - | x + 1 |.
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