Which of the expressions are not polynomials? Check all that apply.
A8x^10 + 2x^5
B5x^-1 + 4x^-2
Cx^5 + 2
D5x^5
Ex2 +(square root of x) + 4
F. x^2-(square root of x ) -3 ...?
A8x^10 + 2x^5
B5x^-1 + 4x^-2
Cx^5 + 2
D5x^5
Ex2 +(square root of x) + 4