Answer:
[tex](f + g)(x) = 4x^2 + x - 7[/tex]
Step-by-step explanation:
f(x) = -3
[tex]g(x) = 4x^2 + x - 4[/tex]
To find (f + g)(x), we simply have to find f(x) + g(x) .
[tex](f + g)(x) = f(x) + g(x) = -3 + 4x^2 + x - 4\\\\(f + g)(x) = 4x^2 + x - 4 - 3\\\\(f + g)(x) = 4x^2 + x - 7[/tex]