
Functions | Algebra 1 | Math | 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 graph, analyze, and create different types of functions. Unit guides are here! …
Functions | Algebra (all content) | Math | Khan Academy
Inputs and outputs of a function Learn Worked example: matching an input to a function's output (equation)
Functions | College Algebra | Math | Khan Academy
A function is like a machine that takes an input and gives an output. Let's explore how we can graph, analyze, and create different types of functions.
Equations vs. functions (video) | Functions | Khan Academy
The definition of a function is that it is a set of ordered pairs where each input (x-value) creates only one output (y-value). Based on this definition, a function does not need to be an equation.
Quadratic functions & equations | Algebra 1 | Math | Khan Academy
Algebra 1 17 units · 184 skills Unit 1 Algebra foundations Unit 2 Solving equations & inequalities Unit 3 Working with units Unit 4 Linear equations & graphs
Functions | Integrated math 1 | Khan Academy
Inputs and outputs of a function Learn Worked example: matching an input to a function's output (equation)
Intro to composing functions (video) | Khan Academy
This video is about composing functions, which is the process of building up a function by composing it from other functions. It explains how to evaluate the composition of functions …
Linear equations, functions, & graphs | Khan Academy
Algebra (all content) 20 units · 412 skills Unit 1 Introduction to algebra Unit 2 Solving basic equations & inequalities (one variable, linear) Unit 3 Linear equations, functions, & graphs
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Worked example: matching an input to a function's output …
Saying "f (x)" instead of "y" highlights the fact that you put a value for x into the function and get out a value for y. The function describes how y varies with x.