Find the Indicated Value of the Function $\text { Find } r ( 18 ) \text { if } r ( x ) = \frac { x } { 3 } + \sqrt { 2 x } - 2$

Multiple Choice

Find the indicated value of the function. Use your calculator to approximate irrational numbers. Round irrational
numbers to the nearest thousandth.
- $\text { Find } r ( 18 ) \text { if } r ( x ) = \frac { x } { 3 } + \sqrt { 2 x } - 2$

A) 14
B) -2
C) 10
D) 2