Evaluate
-If $f ( x ) = \sqrt { 2 x - 7 }$

Multiple Choice

Evaluate.
-If $f ( x ) = \sqrt { 2 x - 7 }$ , find the value of $f ( 11 )$ .

A) $\sqrt { 15 }$
B) 22
C) 15
D) $\sqrt { 22 }$