У Ли 8. Consider the function (x) = x² − 8x³ + 18x² - 27, - and in factored form: f(x) = (x + 1)(x-3)3 a) Determine the x and y-intercepts. b) Determine the coordinates and nature of the critical points. c) Determine the intervals of increase and decrease. d) Determine the coordinates of the inflection points. e) Determine the intervals of concavity. f) Graph the function on the grid below. (Label axes appropriately)

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