Question

Find f(x) and g(x) so the function can be expressed as y = f(g(x)).

Answer 1

Y=2/(x^2 +3)
g(x) = x^2 + 3 and f(x) = 2/x
fog(x) = f[g(x)]
= f(x^2 + 3)
= 2/(x^2 + 3)