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  1. 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.

  2. 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 …

  3. 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.

  4. 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 …

  5. Functions | Algebra 1 (Illustrative Mathematics-aligned) - Khan Academy

    Using function notation to describe rules (part 1) Learn Worked example: Evaluating functions from equation

  6. How to find the range of a function (video) | Khan Academy

    The range of a function is the set of all possible outputs the function can produce. Some functions (like linear functions) can have a range of all real numbers, but lots of functions have a more limited set of …

  7. 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 by connecting …

  8. Graphs, attributes, and applications of functions | Khan Academy

    Functions come to life when we look at their graphs. In this unit, we’ll explore how features like symmetry, discontinuities, and intervals reveal deeper insights into function behavior.

  9. 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.

  10. Functions | TG Math Class 11 | Khan Academy

    Types of Functions Learn Surjective (onto) and injective (one-to-one) functions Identity and constant functions