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OpenStudy (anonymous):
URGENT GIVING OUT A MEDAL & FAN/FOLLOW What is the equation of the quadratic graph with a focus of (4, 3) and a directix of y = 13? a) f(x) = -1/20 (x-4)^2 +10 b) f(x) = - 1/20 (x-4)^2 +8 c) f(x) = 1/20 (x-4)^2 +10 d) f(x) = 1/20 (x+4)^2 + 8
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