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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.

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。

Review your understanding of cell parts and functions in this free article aligned to NGSS standards.

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

Shift functions horizontally and vertically, and practice the relationship between the graphical and the algebraic representations of those shifts.

And the whole point of what I'm doing here is I'm going to see how this unit circle might be able to help us extend our traditional definitions of trig functions.

Khan Academy ... Khan Academy

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