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  1. Introduction to Derivatives - Math is Fun

    To find the derivative of a function y = f (x) we use the slope formula: Slope = Change in Y Change in X = Δy Δx. And (from the diagram) we see that: Now follow these steps: Like this: …

  2. 3.2: The Derivative as a Function - Mathematics LibreTexts

    Nov 14, 2025 · The derivative function gives the derivative of a function at each point in the domain of the original function for which the derivative is defined. We can formally define a …

  3. Derivative - Wikipedia

    The derivative of a function of a single variable at a chosen input value, when it exists, is the slope of the tangent line to the graph of the function at that point. The tangent line is the best linear …

  4. Derivative of a Function - GeeksforGeeks

    Jul 23, 2025 · Derivative of a Function is the rate of change in the given function with respect to an independent variable. The derivative of a given function in Calculus is found using the First …

  5. 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 …

  6. How to Calculate a Basic Derivative of a Function - wikiHow

    Jun 5, 2025 · Know that a derivative is a calculation of the rate of change of a function. For instance, if you have a function that describes how fast a car is going from point A to point B, …

  7. Derivatives - Calculus, Meaning, Interpretation - Cuemath

    Let us learn what exactly a derivative means in calculus and how to find it along with rules and examples. The derivative of a function f (x) is usually represented by d/dx (f (x)) (or) df/dx (or) …

  8. 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 …

  9. The Derivative as a Function - University of Connecticut

    As we have seen, the derivative of a function at a given point gives us the rate of change or slope of the tangent line to the function at that point. If we differentiate a position function at a given …

  10. Calculus I - Derivatives - Pauls Online Math Notes

    Apr 4, 2022 · The Definition of the Derivative – In this section we define the derivative, give various notations for the derivative and work a few problems illustrating how to use the …