👉 In mathematical notation, a hornist is defined as follows: A hornist in mathematics is an object or function that has a singularity at a point called the "horn" of the function. The horn represents a critical point, and it's important to note that this point must also be a local minimum or maximum since it's considered a singular point. For example, consider the function f(x) = x^4 - 6x^2 + 9. A hornist for this
