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

About this unit A function is like a machine that takes an input and gives an output. Let's explore how we can create, graph, and analyze different types of functions. Unit guides are here! Power up your …

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。

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

Let's extend trigonometric ratios sine, cosine, and tangent into functions that are defined for all real numbers. You might be surprised at how we can use the behavior of those functions to model real …

Opa! Alguma coisa deu errado. Tente novamente. Ah não, parece que ocorreu um erro. Você precisa atualizar. Se o problema persistir, fale conosco.

Uma função é como uma máquina que recebe uma entrada e retorna uma saída. Vamos explorar como podemos representar graficamente, analisar e criar diferentes tipos de funções.

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 …

Given a function, determine whether it's a composite function. If so, determine the "inner" and "outer" functions.