
Andrew M. answered 10/27/17
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
f(x) = x^2 - 4x - 1 and g(x) = 3x
(f+g)(x) = Just add the functions together:
x2 - 4x - 1 + 3x
= x2 - x -1