Functions: FAQ (article)

Functions are used in all sorts of real-world applications! For example, we use functions to model physical processes, like the motion of a car or the growth of a population.

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.

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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 - Function

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.

Review: Functions (article)

There''s another powerful thing we can do with functions - we can use them to take in some values, compute them, and return a new value. Think about all the things you can do with a calculator - add

Rational functions (video)

What are rational functions? How do we plot them? What is their domain and range? Let''s find out. We break down the definition of the function given in set-builder form and plot the graph by connecting

Functions | Algebra 1 | 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. **Unit guides are here!** Power up your classroom

Linear equations, functions, & graphs | Khan Academy

This topic covers: - Intercepts of linear equations/functions - Slope of linear equations/functions - Slope-intercept, point-slope, & standard forms - Graphing linear equations/functions - Writing linear