Which describes the effect of the transformations on the graph of f(x) = x² when changed to f(x) = 1/4(x − 3)² - 9?

A) Stretched vertically, shifted left 3 units, and shifted up 9 units.

B) Stretched vertically, shifted right 3 units, and shifted down 9 units.

C) Compressed vertically, shifted left 3 units, and shifted up 9 units.

D) Compressed vertically, shifted right 3 units, shifted down 9 units.