(1/2)^-3 what’s the answer

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified,is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

Which of the following is true for the relation f(x)=2x^2+1

Math it's appreciated. (picture provided)