Solve the function from the composition
13248
How to obtain $f(x)$, if it is known that $f(f(x))=x^2+x$?
74532
Solve for $ A $ from $ A {A}^{T} $
61998
Multiplying Taylor series and composition
62055
Solve $\frac{d}{dx}f(x)=f(x-1)$
44293
Functions satisfying $f\left( f(x)^2+f(y) \right)=xf(x)+y$
24126
When functions commute under composition
4178
Solve $f(x)f(2x^2) = f(2x^3+x)$
76458
Solve the following functional equation $f(xf(y))+f(yf(x))=2xy$
124808
How to find inverse of function?
79212
Find the general solution of $y'= a^{x + y}$ where y is the function
114011
Algebra - Solving for three unknowns.
84317
Iterated self-composition of arbitrary function
16092
How to prove that the composition of two surjective functions is surjective
49999
Express $y$ from $\ln(x)+3\ln(y) = y$
49267
Apply Collatz Funtion to solve and print the answer
71487
Real Analysis: Continuity of a Composition Function
49794
Solve $f(x^2+y+f(y))=2y+f(x)^2$ over $\mathbb{R}$