Find the Average Rate of Change of the Function Over $y = 4 x ^ { 2 } , \left[ 0 , \frac { 7 } { 4 } \right]$

Multiple Choice

Find the average rate of change of the function over the given interval.
- $y = 4 x ^ { 2 } , \left[ 0 , \frac { 7 } { 4 } \right]$

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