As f^-1 is the reciprocal of the function f, therefore f^-1 is the inverse of function f.
What is a function?
A mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable is known as a function.
A function that can reverse into another function is known as an anti function or inverse function.
The inverse of a function "f" will take y to x if any function "f" takes x to y. If the function is represented by "f" or "F", then the inverse function is denoted by f^-1 or F^-1.
Inverse functions f and f^-1 result in f(x) = y if and only if f^-1(y) = x.
For example - Consider a function f(x) ⇒ 2x + 5 = y.
Then, f^-1(y) ⇒ (y-5)/2 = x is the inverse of f(x).
Therefore, f^-1 is considered as the inverse of function f.
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