The following table shows the length and width of a rectangle

Rectangle A Length = 3x + 2

Rectangle A width = 2x-1

Which expression is the result of the perimeter of rectangle a and demonstrates the closure property

A.) 2x+2 the answer is a polynomial

B.) 2x+2 the answer may not be a polynomial

C.) 10x+2 the answer is a polynomial

D.) 10x+2 the answer may or may not be a polynomial