Question

F(n)=-n+4
g(n)= n³ - 2n²
Find (f x g)(n)

Answer 1

-n^4 + 6n^3 - 8n^2

Step-by-step explanation:

f(n)=-n+4

g(n)= n³ - 2n²

We want to multiply

(fXg) (n) = ( -n+4) ( n³ - 2n²)

Foil

=-n*n^3-n*(-2n^2)+4*n^3+4(-2n^2)

= -n^4 + 2 n^3 +4n^3 -8n^2

Combine

= -n^4 + 6n^3 - 8n^2