Question

If f(x)=x/3+2 and f(g(x))=x,then g(x)=?

Answer 1

@Shadowys

Answer 2

g(x)=x/3+2 ?

Answer 3

Notice that \[f(g(x))=x=f(f^{-1}(x))\]
thus\[ g(x) = f^{-1}(x)\]
to find the inverse function,
let y=g(x)
f(y)=x
y/3 +2 = x
rearrange to find y and voila ! you get g(x)

Answer 4

now i think i gotcha :)

Answer 5

lol yh Congrats!