Question

HELP PLZ

What is (f·g)(x)?


f(x)=x^2+2x−6

g(x)=x^4+3


Enter your answer.

(f·g)(x)=

Answer 1

(f.g)(x) = f (g(x))= f ( x^4+3)

= (x^4+3)^2 + 2 ( x^4+3) - 6

= x^8 + 9 + 6x^4 + 2x^4 + 6-6

= x^8 + 8x^4+9