Finding an Inverse Function and Composition of Functions? I add for all y ∈ R
124523
Finding an Inverse Function and Composition of Functions?
52587
Real analysis : Problem related to inverse
137550
Finding the derivatives of inverse functions at given point of c
152013
elementary ring proof with composition of functions and addition of functions as operations
20801
Application of inverse function theorem for several variable functions
157925
How to prove that the implicit function theorem implies the inverse function theorem?
34343
Determine all $f : \mathbb R \rightarrow \mathbb R$ such that $f(f(x) + y) = f(x^2 - y) + 4yf(x)$.
152438
Is the composition of two injective functions injective?
86128
Find all functions $ f : \Bbb R \to \Bbb R$ which satisfy $f(x)f(y) = f(x + y) + xy$ for all $x, y ∈ \Bbb R$.
40868
Composition of two functions - Bijection
82597
How to find $ f(x)$ if $f(1-f(x))=x$ for all $x$ $\in \mathbb{R}$
10850
Are all functions that have an inverse bijective functions?
71252
What is the inverse function of $e^x +x$?
69734
how to find all functions such that $f\left( x^{2} - y^{2} \right) = ( x - y )( f(x) + f(y) )$
81720
$f(x) + f(x+f(y)) = y + f(f(x) + f(f(y)))$
44670
Find all functions $f: \mathbb Z \to \mathbb Z$ such that $f(x+y)=f(x)+f(y)$
41226
Find $f:f(xf(x)+f(y))=f(x)^2+y$