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Mathematics 14 Online
OpenStudy (anonymous):

sketch the graph. 2 -x + 2x ^2 - x^3

OpenStudy (anonymous):

Set x = 0 for a point. Differentiate and set = 0 for turning points (maxima/minima). Calculate f(x) at turning points. The calculated points create intervals, calculate the sign of f(x) either side of the calculated points. Perhaps test for points of inflection with second derivative. Draw it.

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