49. Given f(x) =2x^2+5 and g(x) =3x^3, what is f(x)x g(x)?

A. 2x^2 + 15x^3

B. 6x^6 + 15x^3

C. 6x^5 + 15x^3

D. 3x^3 + 2x^2 + 5