Answer:
 Option A  g=(3*8)(36*60+1/2 pie*18^2)
Step-by-step explanation:
The answer would be: A. g=(3*8)(36*60+1/2 pie*18^2)
The function would be: g= a*b*c  where
a= number of wall = 3
b= number of windows per wall = 8
c= the area of the window
The windows is made from a half circle and a rectangle. The area of each shape would be:
rectangle: 36 inch * 60 inch
half circle: 1/2 * pi * 18 inch^2
total windows area= rectangle area + half circle area  
total windows area= (36* 60 + 1/2 * pi * 18^2)
Then the function would be:
g= a*b*c  
g= 3 * 8  *  (36* 60 + 1/2 * pi * 18^2)
A. g=(3*8)(36*60+1/2 pie*18^2)   ----> true
B. g=(3*8)(36*60+pie*18^2)        ----> false circle area, the circle isn't half
C. g=(3*8)(36*60+1/2 pie*18)      ------> false circle area, the radius is not ^2
D. g=(3)(8*36*60+1/2 pie*18^2)  -------> only the rectangle multiplied by 8