Let f(x)=5x−8 and g(x)=4x2. Perform the function operation and then find the domain of the result. (f+g)(x)

Answer 1

Hi Gabriela,

I am assuming that g(x) is 4x^2.

(f+g)(x) = f(x)+g(x) = 5x-8+4x^2 = 4x^2+5x-8.