Determine if the given expression is a polynomial. If it is,

Last updated: 8/3/2022

Determine if the given expression is a polynomial. If it is, state the degree of the polynomial. -15x³ +7x⁴ Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (A) The expression is a polynomial. The degree of the polynomial is ____. (B) The given expression is not a polynomial.