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  1. 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 …

  2. 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 - …

  3. 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.

  4. 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.

  5. Rational functions (video) - Khan Academy

    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 …

  6. Equations vs. functions (video) | Functions | Khan Academy

    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.

  7. Linear equations, functions, & graphs | Khan Academy

    Test your understanding of Linear equations, functions, & graphs with these 22 questions.

  8. Review: Functions (article) - Khan Academy

    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 …

  9. Functions | Operations and Algebraic Thinking 231+ | 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.

  10. Functions | 8th grade math (FL B.E.S.T.) | Khan Academy

    Practice Comparing linear functions word problems Get 3 of 4 questions to level up!