Question

Given f(x)=1x−1, and g(x)=2x, how do you find f(g(x))?

Answer 1

Hey mate

f(x)=x-1

g(x)=2x

f(g(x))=?

=f(2x)

As,f(x)=x-1

Therefore,f(2x)=2x-1 is the ans