# If a function is f(x)=(x-1)/(x+1) then prove that f(2x)=[3f(x)+1]/[f(x)+3]?

• If a function is f(x)=(x-1)/(x+1) then prove that f(2x)=[3f(x)+1]/[f(x)+3]?

f(x) "f(x) = ... " is the classic way of writing a function. And there are other ways, as you will see! Read ...
Positive: 43 %
If a function is f(x)=(x-1)/(x+1) then prove that f(2x)=[3f(x)+1]/[f(x)+3]? ... If a function is f(x)=(x-1)/(x+1) then prove that f(2x)=[3f(x)+1]/[f(x)+3]?
Positive: 40 %

### More resources

A summary of Inverse Functions in 's Operations with Functions. ... f (x) = x + 1 and g(x) ... Multiply by 3. New function: Divide by 3. Add 5.
Positive: 43 %
then f(x) is not one-to-one. ... range of f is [0,1). ... • Let f : R ! R be the function deﬁned by f(x)=x +3,andlet ...
Positive: 38 %
Let $f(x)$ be a function such that $f(x + 1) ... = f(x), \forall x \in \mathbb{R}$. Then for what value of $k$ is the relation $f(x ... If$f(x + 1) + f(x ...