For all real numbers, the expression \(\sqrt[x^{2}-4x-4]\) [the square root of the quantity x squared minus 4 x plus 4] equals which of the following?

W) \(x-2\)

X) \(x-2x+2\)

Y) \(|x-2|\)[the absolute value of the quantity x minus 2]

Z) \(x+2\)
Y) \(|x-2|\)