Question

Someone help with this problem? I had two wrong answers

Answer 1

Given:-

`f(x)=(x)/(x+4)`

To find:-

`f(x)=((4)/(t))`

The required solution is,

Now we find,

`f((4)/(t+4))`

The required solution is,

Now to find the value of x when,

`f(x)=3`

The solution is,

These are the required solutions.