Question

f(x)=x^2+1,g(x)=3x .then gof and fog





don't enter any bla bla bla only answer

Answer 1

Answer:

Step-by-step explanation:

gof=g(f(x))

$=3(x^{2} +1)\\=3x^{2} +3$

fog=f(g(x))

$=(3x)^{2}+1 \\=9x^{2} +1$