Example:If g be a function from [a,b] into real number. we have g(x)=g((1-(x-a/b-a))a +(x-a/b-a)b).
I don't think anyone has answered your question Razieh because it is incomprehensible. Try rewriting your question more carefully...
Mike
Example:If g be a function from [a,b] into real number. we have g(x)=g((1-(x-a/b-a))a +(x-a/b-a)b).