Write a Simplified Expression for the Area of the Shaded $\text { 3. } 5 x ^ { 2 } + 14 x$

Multiple Choice

Write a simplified expression for the area of the shaded region of the figure below.

A) $\text { 3. } 5 x ^ { 2 } + 14 x$
B) $4.5 x ^ { 2 } + 14.5 x$
C) $3.5 x ^ { 2 } + 10.5 x$
D) $4.5 x ^ { 2 } + 9 x$
E) $3.5 x ^ { 2 } + 7 x$