Write an Expression That Represents the Perimeter of the Figure $\frac { x ^ { 2 } + 2 x + 7 } { x ^ { 2 } }$

Multiple Choice

Write an expression that represents the perimeter of the figure and simplify.

A) $\frac { x ^ { 2 } + 2 x + 7 } { x ^ { 2 } }$
B) $\frac { 3 x ^ { 2 } + 7 x + 21 } { 3 x ^ { 2 } }$
C) $\frac { 3 x ^ { 2 } + 7 x + 7 } { 3 x ^ { 2 } }$
D) $\frac { 7 x ^ { 2 } + 7 x + 7 } { 3 x ^ { 2 } }$