
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) Worked example: matching an input to a function's output (graph) Worked example: two …
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! Power up your …
Recognize functions from graphs - Khan Academy
The following figure shows the entire graph of a relationship. Does the graph represent a function?
Recognizing functions from table (video) | Khan Academy
Checking whether a table of people and their heights can represent a function that assigns a height to a name. Created by Sal Khan and Monterey Institute for Technology and Education.
Linear equations, functions, & graphs | Khan Academy
Test your understanding of Linear equations, functions, & graphs with these 22 questions.
Relations and functions (video) | Khan Academy
That's not what a function does. A function says, oh, if you give me a 1, I know I'm giving you a 2. If you give me 2, I know I'm giving you 2. Now with that out of the way, let's actually try to tackle the …
Recognize functions from tables - Khan Academy
The table compares the main course and the side dish each person in Hiroki's family ordered at a restaurant. Can the side dish be represented as a function of the main course?
Recognizing functions from graph (video) | Khan Academy
Checking whether a given set of points can represent a function. For the set to represent a function, each domain element must have one corresponding range element at most.
Functions and their representations | Khan Academy
Analyze and interpret key features of functions, graph and model piecewise-defined functions, and apply transformations to explore relationships between equations and their graphs in real-world contexts.
Identify function transformations (practice) | Khan Academy
Practice the concept of function scaling and the relationship between its algebraic and graphical representations.