Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

Jul 23, 2025 · Graphs of functions are visual representations of how one quantity depends on another. In simple terms, a graph shows the relationship between two variables: one variable is usually on the …

In the definition of a function in terms of set theory, it is common to identify a function with its graph, although, formally, a function is formed by the triple consisting of its domain, its codomain and its graph.

We typically construct graphs with the input values along the horizontal axis and the output values along the vertical axis. The most common graphs name the input value x and the output value y, and we …

Jun 4, 2025 · In the last section we learned how to determine if a relation is a function. The relations we looked at were expressed as a set of ordered pairs, a mapping or an equation. We will now look at …

There are two main approaches to drawing a function on a graph. Plot several points (input-output pairs) of the function on a graph, and draw a straight line or smooth curve connecting the points. In this …

What is Meant By Graphing Functions? Graphing functions is drawing the curve that represents the function on the coordinate plane. If a curve (graph) represents a function, then every point on the …

This chapter is about functions (this is how we express relationships between quantities) and their graphs. The graph of a function is really useful if we are trying to model a real-world problem.

Interactive, free online graphing calculator from GeoGebra: graph functions, plot data, drag sliders, and much more!

In the last section we learned how to determine if a relation is a function. The relations we looked at were expressed as a set of ordered pairs, a mapping or an equation. We will now look at how to tell if …