A quadratic function
y
=
f
(
x
)
y=f(x) is plotted on a graph and the vertex of the resulting parabola is
(
−
4
,
6
)
(−4,6). What is the vertex of the function defined as
g
(
x
)
=
f
(
x
)
−
4
g(x)=f(x)−4?