f(x)=11x10+2x8g(x)=−14x7+9x5The polynomial p(x) is defined as the product of the given polynomials, f(x) and g(x). What is the coefficient of x15 in p(x)?
A
15
B
71
C
99
D
127
\[f(x) = 11x^{10} + 2x^{8} \\ g(x) = -14x^{7} + 9x^{5}\]The polynomia… | Math SAT Question | Ronan SAT