Solve the Problem $4 z ^ { 2 } + 3 z + 12$

Multiple Choice

Solve the problem.
-The area of the rectangle below is (z + 4) (4z + 3) . Find another expression for this area by finding the sum of the areas of the smaller rectangles.

A) $4 z ^ { 2 } + 3 z + 12$
B) $4 z ^ { 2 } + 19 z$
C) $4 z ^ { 2 } + 19 z + 12$
D) $4 z ^ { 2 } + 16 z + 12$