Which describes the effect of the transformations on the graph of ƒ(x) = x^2 when changed to ƒ(x) = −(3x)^2 − 4? A) reflected over x-axis, stretched horizontally, shifted up 4 units

B) reflected over x-axis, compressed horizontally, shifted down 4 units

C) reflected over y-axis, stretched horizontally, shifted up 4 units

D) reflected over y-axis, compressed horizontally, shifted down 4 units