Unary function

A unary function is a function that takes a single argument or input value. In mathematical notation, a unary function can be represented as \( f(x) \), where \( f \) is the function and \( x \) is the single input. The key characteristic of a unary function is that it operates on just one variable. For example, common unary functions include: 1. **Square function**: \( f(x) = x^2 \) 2.