Inverse function
In
mathematics, an inverse function is in simple terms a function which "does the reverse" of a given function. More formally, if
f is a function with domain
X, then
f −1 is its inverse function if and only if for every we have:
For example, if the function
x → 3
x + 2 is given, then its inverse function is
x → / 3.
Encyclopedia
In
mathematics, an
inverse function is in simple terms a function which "does the reverse" of a given function. More formally, if
f is a function with domain
X, then
f −1 is its inverse function if and only if for every we have:
For example, if the function
x → 3
x + 2 is given, then its inverse function is
x → / 3.
