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  1. 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! …

  2. 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.

  3. 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)

  4. 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 …

  5. 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.

  6. Introduction to functions | Algebra 1 (TX TEKS) - 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 create, graph, and analyze different types of functions. Unit guides are here! …

  7. Worked example: matching an input to a function's output (graph) …

    Learn to match function inputs and outputs using graphs with Khan Academy's interactive lessons and exercises.

  8. 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.

  9. 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 …

  10. 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.