Answer:
[tex]x^2-1[/tex] has two terms without any negative exponent. so it is a polynomial.
Step-by-step explanation:
A polynomial is a expression with more than one terms.
The expression with negative exponent is not a polynomial.
Expression in the denominator is also not a polynomial
[tex]x^2-1[/tex] has two terms without any negative exponent. so it is a polynomial.
option B,C and D has negative exponents, so it is not a polynomial.
