Question

for f(x)=x^2+3 and g(x)=x^2-4 what is (gof)(x)

Answer 1

Answer:

x^4-8x^2+19

Step-by-step explanation:

(X^2-4)^2+3

(X^2-4)(X^2-4)+3

(x^4-8x^2+16)+3

x^4-8x^2+19