Find the vertex, focus, and directrix of the parabola with the given equation.(x + 1)2 = 12(y - 4)

A. vertex: (4, -1)  
focus: (4, 2)  
directrix: y = -4
B. vertex: (-1, 4)  
focus: (-1, 7)  
directrix: y = 1
C. vertex: (1, -4)  
focus: (1, -1)  
directrix: y = -7
D. vertex: (-1, 4)  
focus: (-1, 1)  
directrix: x = 7


Answer: B

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