Answer:
[tex]f(x+h)=\frac{x+h}{1+x+h}[/tex]
Step-by-step explanation:
Given function is:
f(x) = x/1 + x
In order to find f(x+h) we have to put x+h in place of x
[tex]f(x)=\frac{x}{1+x} \\f(x+h)=\frac{x+h}{1+x+h}[/tex]
Therefore,
[tex]f(x+h)=\frac{x+h}{1+x+h}[/tex]