Find the Average Rate of Change for the Function Between $f ( x ) = \sqrt { 2 x - 1 } ;$

Multiple Choice

Find the average rate of change for the function between the given values.
- $f ( x ) = \sqrt { 2 x - 1 } ;$ from 1 to 5

A) $\frac { 1 } { 2 }$
B) $- 2$
C) $- \frac { 1 } { 6 }$
D) $- 28$