Given the two expressions below: 4x2 − 8 square root of x + 9 3y2 + 2x + 6 Is the sum of the two expressions above a polynomial?
Why or why not? a. Yes, because whenever two expressions are added, their sum will be a polynomial.
b. Yes, because both expressions are polynomials, so their sum will be a polynomial.
c. No, because at least one of the expressions has two variables, so their sum will not be a polynomial.
d. No, because one of the expressions is not a polynomial, so their sum will not be a polynomial.
