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In this unit, we learn about functions, which are mathematical entities that assign unique outputs to given inputs. We'll evaluate, graph, analyze, and create various types of functions.

What are rational functions? How do we plot them? What is their domain and range? Let's find out. We break down the definition of the function given in set-builder form and plot the graph by connecting …

Functions assign a single output for each of their inputs. In this video, we see examples of various kinds of functions.

Learn the skills that will set you up for success in polynomial operations and complex numbers; equations; transformations of functions and modeling with functions; exponential and logarithmic …

Explora funciones algebraicas con lecciones y ejercicios gratuitos en Khan Academy. Mejora tus habilidades matemáticas de manera interactiva y accesible.

When distances, prices, or any other quantity in our world changes at a constant rate, we can use linear functions to model them. Let's learn how different representations, including graphs and equations, …

Comparing features of functions Learn Comparing functions: x-intercepts Comparing functions: shared features

可汗学院提供代数函数相关的课程和练习，帮助学生掌握代数知识。

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