Find the Average Rate of Change of the Function Over $y = \frac { 3 } { x - 2 } , [ 4,7 ]$

Find the average rate of change of the function over the given interval.
- $y = \frac { 3 } { x - 2 } , [ 4,7 ]$

A) $\frac { 1 } { 3 }$
B) $- \frac { 3 } { 10 }$
C) 7
D) 2