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What is a function? (video) | Functions | Khan Academy
Functions assign a single output for each of their inputs. In this video, we see examples of various kinds of functions.
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Khan Academy's Algebra 2 course offers a comprehensive, engaging, and Common Core aligned learning experience covering advanced algebra topics for high school students.
Introduction to functions | Algebra 1 (TX TEKS) - Khan Academy
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! …
Functions | 8th grade math (FL B.E.S.T.) | Khan Academy
Practice Comparing linear functions word problems Get 3 of 4 questions to level up!
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Explora funciones algebraicas con lecciones y ejercicios gratuitos en Khan Academy. Mejora tus habilidades matemáticas de manera interactiva y accesible.
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可汗学院 | 可汗学院 - Khan Academy
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。
Absolute value graph and function review (article) | Khan Academy
The general form of an absolute value function is f (x)=a|x-h|+k. From this form, we can draw graphs. This article reviews how to draw the graphs of absolute value functions.
Evaluate functions | 8th grade (practice) | Khan Academy
Evaluate functions for specific inputs given the formula of the function.