Question

Which of the following is not a polynomial?

• A. $x^3-1$
• B. $4x^2+2x+1$
• C. $y+\frac{3}{y}$
• D. $y^2+5y+1$

Answer 1

The correct option is C $y+\frac{3}{y}$

In case of a polynomial, the power of the variables is always a whole number.