Question

Given `f(x)=1/(x-2)`, how do you find (f(f(1/2))?

Answer 1

`=-3/8`

Explanation:

`f(x)=1/(x-2)......(1)`
`f(1/2)=1/(1/2-2)=1/((1-4)/2)=1/(-3/2)=-2/3`
`:.f(f(1/2))=1/(f(1/2)-2)=1/(-2/3-2)=1/(-8/3)=-3/8`