Inverse Function of $f(x)=x^3 +x$
22004
Inverse of $y = x^3 + x $?
72769
How find this function $xf(x^2)=f(x),x>0$
110704
Find all functions $f$ such that $f(x)+f(\frac{1}{1-x})=x$
2072
Demonstrate that if $f$ is surjective then $X = f(f^{-1}(X))$
84436
third derivative of inverse function
37976
Find all functions $f$ such that $(x+y)f(x)+f(y^2)=(x+y)f(y)+f(x^2)$
135867
$f(x)=x^3$ is convex nor concave without to derivate
71252
What is the inverse function of $e^x +x$?
36093
Show rigorously that the sum of integrals of $f$ and of its inverse is $bf(b)-af(a)$
74081
Find coefficient of $x^{n}$ in $\frac{1}{(1-x)^3(1+x)^2}$
152326
What is the inverse of the function $x \mapsto \frac{ax}{\sqrt{a^2 - |x|^2}}$?
1970
Inverse Euler totient function
10307
Show the inverse of a bijective function is bijective
42699
Solve for $f(x)$ if $f(f(x))=6x-f(x)$
156778
Finding functions satisfying $f(f(x))+f(x)+x=0$
41742
inverse limit of $k[x]/(x^n)$
144773
function $f(x)=x^{-(1/3)}$ , please check whether my solution is correct?