" 7.Which one of the following is a polynomial? "

Which one of the following is polynomial?

Which one of the following is not a polynomial ?

Which one of the following is not a polynomial ?

Which of the following is not a polynomial?

Which one of the following is a polynomial? (A) (x^(2))/(2)-(2)/(x^(2)) (B) sqrt(2x)-1 (C) x^(2)+(3x^((3)/(2)))/(sqrt(x)), (D) (x-1)/(x+1)

Which of the following is a polynomial ?

Which of the following is a polynomial ?

Which of the following is a polynomial?