Derive the equation of the parabola with a focus at (−2, 4) and a directrix of y = 6. Put the equation in standard form. (2 points) A. f(x) = one fourth x2 − x + 4 B. f(x) = − one fourth x2 − x + 4 C. f(x) = one fourth x2 − x + 5 D. f(x) = − one fourth x2 − x + 5

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