Answer :
the expressions which are not polynomials
B. 5x^-1 + 4x^-2
E. x2 +(square root of x) + 4
F. x^2-(square root of x ) -3
(Method: check polynomials lesson)
B. 5x^-1 + 4x^-2
E. x2 +(square root of x) + 4
F. x^2-(square root of x ) -3
(Method: check polynomials lesson)