18. 19. The curve y = x³ – 3x² + 2 has an inflection point at the point: a) P(1, 0) b) P(-1, -2) c) P(1,4) The interval where the curve y = a) x < 1 b) never ex+1 ex-1 d) none of these is decreasing is: c) (-∞0,00) d) none of these

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