A quadratic function f is given. f(x) = x2 − 6x   (a) Express f in standard form. (b) Find the vertex and x- and y-intercepts of f. (If an answer does not exist, enter DNE.) vertex (x,y) = (   ) x intercepts (x,y) = ( smaller x-value)                     (x,y) = (larger x-value) y-intercept (x,y) = (    ) (c) Sketch a graph of f. (d) Find the domain and range of f. (Enter your answers using interval notation.)

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