Question

Let f(x) = 4x + 8 and g(x) = 2x - 12. Perform the function operation, (f+g)

(x), and then find the domain of the result.??

Answer 1

you just add these functions:

(f+g)(x)=4x+8+2x-12=6x-4

domain of this function is still all reals (R)