Answer:
g(x) = -x^2 - 4
Explanation:
f(x) = x^2
To flip the graph, you need the negative of the right side,
y = -x^2
This is a parabola that opens downward, but the vertex is at (0, 0).
Now you need to translate the graph 4 units down, so subtract 4 from -x^2.
g(x) = -x^2 - 4