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.
Rational functions (video)
What are rational functions? What is their domain and range? We break down the definition of the function given in set-builder form and plot the graph
Functions | Integrated math 1 | Khan Academy
In this unit, we learn about functions, which are mathematical entities that assign unique outputs to given inputs. We''ll evaluate, graph, analyze, and create various types of functions.
Functions | Algebra (all content) | Math | Khan Academy
This topic covers: - Evaluating functions - Domain & range of functions - Graphical features of functions - Average rate of change of functions - Function combination and composition -
Functions | Algebra 1 (Illustrative Mathematics-aligned)
Using function notation to describe rules (part 1) Learn Worked example: Evaluating functions from equation
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 | 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.
Multivariable functions (video) | Khan Academy
An introduction to multivariable functions, and a welcome to the multivariable calculus content as a whole. Created by Grant Sanderson.
Equations vs. functions (video)
Equations and functions are not the same thing, but they can be related in several ways. Watch Jesse Roe and Sal talk about the difference between equations and functions.
Linear equations, functions, & graphs | Khan Academy
Test your understanding of Linear equations, functions, & graphs with these 22 questions.