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Learn what a function is and how to evaluate functions with this comprehensive video tutorial from Khan Academy.
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.
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! …
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。
Khan Academy | Khan Academy
Explora funciones algebraicas con lecciones y ejercicios gratuitos en Khan Academy. Mejora tus habilidades matemáticas de manera interactiva y accesible.
Khan Academy | Khan Academy
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Evaluate inverse functions (practice) | Khan Academy
Practice evaluating the inverse function of a function that is given either as a formula, or as a graph, or as a table of values.
Evaluating discrete functions (video) | Khan Academy
Given the graph of a discrete function, Sal shows how to evaluate the function for a few different values.
Parametric equations, polar coordinates, and vector-valued …
While we're often familiar with functions that output just one variable and are graphed with Cartesian coordinates, there are other possibilities! Vector-valued functions, for example, can …