👉 In mathematics, an "insuavity" refers to a property that ensures a function behaves in a way that is consistent with its input and output. It's like saying if you're driving on a straight road and your car starts moving forward, it should continue moving forward even when the road turns around. For example, let's say we have a function f(x) = x^2 + 3x - 4. If we want to make sure that this function is always increasing (
