Question

F(n) = -n^3 – 4ng(n) =
-n +4Find: f(n) +g(n)

Answer 1

-n^3 – 5n + 4

Explanation:

f(n) = -n^3 – 4

g(n) = -n +4

f(n)+ g(n) = (-n^3 – 4n)+(-n +4)

= (-n^3 – 4n -n +4)

= -n^3 – 5n +4