f(x)= -6x-1 and g(x)=4x^2 select the soultion for (f+g)(x)

Question

stuck not sure which answerer is correct -24x^2-1 or -24x^3-4x^2

Answer 1

(f+g)(x) = f(x)+g(x) = -6x-1 + 4x^2 = 4x^2-6x-1

-24x^3-4x^2 = (fg)(x) = f(x) * g(x)

-24x^2-1 is not related.