A rectangular field is 100 meters in width and 120 meters in length the dimensions of the field will be expanded by X meters in each direction as shown in the diagram which function describes the perimeter of the new field in terms of X
A) f(X)=220+4x
B)f(X)=440+4x
C)f(X)=220+8x
D)f(X)=440+8x



Answer :