Question

I need help asap

f(x)=2x+8/x+9 and g(x)=9x-8/2-x
find f(g(x))
find g(fx))
what is the value of f(g(x))
"" g(f(x))

Answer 1

for f(g(x)), you simply substitute g(x) in for every x in f(x).
Vice versa for g(f(x))

Answer 2

for f(g(x)) do: and solve..