Remedies for garlic breath. The single most effective way to get rid of garlic is breath is the mechanical removal of the garlic particles and volatile sulfur compounds in your mouth. This is carried out by brushing and flossing your teeth, using a tongue scraper, and swishing and gargling mouthwash.
partial derivative. noun, Mathematics. 1. the derivative of a function with respect to one of its variables with all other variables held constant. partial derivative. 1. the derivative of a function of two or more variables with respect to one of the variables, the other or others being considered constant. partial derivative.
When the second derivative is negative the gradient of the graph is decreasing and the curve bends downwards, is concave. The derivative of the function f(x) = ex is f (x) = ex and the second derivative f (x) = ex. The second derivative is always positive and therefore the graph is always convex.