Determine a Quadratic Function That Results When Applying the Given $f(x)=x^{2}$

Multiple Choice

Determine a quadratic function that results when applying the given shifts to the graph of $f(x) =x^{2}$ .
-Shift 11 units down.

A) $f(x) =x^{2}+11$
B) $f(x) =x^{2}-11$
C) $f(x) =(x-11) ^{2}$
D) $f(x) =(x+11) ^{2}$