Find the Requested Function Value for the Given Function $f ( x ) = \sqrt { 2 x - 8 }$

question 48

Multiple Choice

Find the requested function value for the given function. Round the answer to the nearest tenth when necessary.
-If $f ( x ) = \sqrt { 2 x - 8 }$ , find the value of $f ( 7 )$ .

• A) 14
• B) \(3.7\)
• C) \(2.4\)
• D) 6