Find the Perimeter $\left( 4 x ^ { 2 } + 8 x + 31 \right)$

Multiple Choice

Find the perimeter.
-

A) $\left( 4 x ^ { 2 } + 8 x + 31 \right)$ units
B) $\left( 4 x ^ { 2 } + 8 x + 20 \right)$ units
C) $\left( 4 x ^ { 2 } + 2 x + 31 \right)$ units
D) $\left( 3 x ^ { 2 } + 2 x + 20 \right)$ units