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  1. Calculus I - The Definition of the Derivative

    Nov 16, 2022 · In this section we define the derivative, give various notations for the derivative and work a few problems illustrating how to use the definition of the derivative to actually compute the …

  2. 2.1: The Definition of the Derivative - Mathematics LibreTexts

    Dec 7, 2025 · This page defines the derivative of a function, focusing on tangent and secant lines. It explains that the slope of a secant line is calculated using the difference quotient, while the slope of …

  3. Derivative - Wikipedia

    The derivative is often described as the instantaneous rate of change, the ratio of the instantaneous change in the dependent variable to that of the independent variable. [1] The process of finding a …

  4. Derivatives: definition and basic rules | Khan Academy

    The derivative of a function describes the function's instantaneous rate of change at a certain point. Another common interpretation is that the derivative gives us the slope of the line tangent to the …

  5. Derivative | Definition & Facts | Britannica

    5 days ago · Derivative, in mathematics, the rate of change of a function with respect to a variable. Geometrically, the derivative of a function can be interpreted as the slope of the graph of the function …

  6. Derivative - Math.net

    The derivative of a function is the rate of change of the function's output relative to its input value. Given y = f (x), the derivative of f (x), denoted f' (x) (or df (x)/dx), is defined by the following limit: The …

  7. Derivative Definition and Basic Rules | Calculus Course | MathIsimple

    Comprehensive introduction to derivative definition, one-sided derivatives, differentiability and continuity, and basic differentiation rules.

  8. What is a Derivative? - Mathwarehouse.com

    Just like a slope tells us the direction a line is going, a derivative value tells us the direction a curve is going at a particular spot. At each point on the graph, the derivative value is the slope of the tangent …

  9. Derivatives - Calculus, Meaning, Interpretation - Cuemath

    A derivative is the rate of change of a function with respect to a variable. The derivative of a function f (x) is denoted by f' (x) and it can be found by using the limit definition lim h→0 (f (x+h)-f (x))/h.

  10. World Web Math: Definition of Differentiation

    Oct 14, 1999 · The derivative is the instantaneous rate of change of a function with respect to one of its variables. This is equivalent to finding the slope of the tangent line to the function at a point. Let's use …