Find the equation of the parabola with its focus at (3,4) and its directrix y = 0.
a) y = –1∕8(x – 2)²– 3
b) y = 1∕8(x – 3)²+2
c) y = 1∕8(x – 3)² – 2
d) y = –1∕8(x – 3)² – 2