Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

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.

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.

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。

Opa. Algo deu errado. Por favor, tente novamente. Ah não, parece que ocorreu um erro. Você precisa atualizar. Se o problema persistir, fale conosco.

Master 7th grade math topics including geometry, statistics, and equations through engaging tutorials and exercises on Khan Academy.

Test your understanding of {unit name}.

Access your personalized courses and learning resources on Khan Academy to enhance your knowledge in various subjects.