Step-by-step explanation:
hope this helps. n=6 or n=9 work is in the attached pic
Step-by-step explanation:
it's like the y in an equation
The equation of a parabola is given by

where

is the vertex.
We have the vertex is (-3,-2) so we have

and

Substituting -3 and -2 into the



Hence, the correct answer is
option D
72 times square root of 2