👉 In mathematics, an undersweep is a particular type of sweep in a mathematical function or graph. It is defined as a part of the curve that is not included within any other part of the curve. For example, if we have a function f(x) = x^2 - 3x + 4 and we want to plot it, we can see that there are two undersweeps in the graph: one above the y-axis at x=0 and another below the y-axis at