A quadratic function f is given. f(x) = 5x² + 10x + 6 (a) Express f in standard form. f(x) = (b) Find the vertex and x- and y-intercepts of f. (If an answer does not (x, y) = -1,1 ;) vertex = (x, y) = (dne x-intercept (x, y) y-intercept (x, y) = (c) Sketch a graph of f. 0,6

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