A quadratic function f is given. f(x) = -x² - 4x + 2 (a) Express f in standard form. f(x) = -(x + 2)² +6 (b) Find the vertex and x- and y-intercepts of f. (If an answer does not exist, enter (x, y) = (-2,6 (x, y) = (2-√√6,0 (x, y) = (2+√6,0 vertex x-intercepts J y-intercept (x, y) = (0,2 (c) Sketch a graph of f. X X (smaller x-value) (larger x-value)

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