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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! Power up your …

  2. 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.

  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: FAQ (article) - Khan Academy

    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.

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

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

  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. Functions | TG Math Class 11 | Khan Academy

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

  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. Quadratic functions & equations | Algebra 1 (NY Next Gen) - Khan …

    We've seen linear and exponential functions, and now we're ready for quadratic functions. We'll explore how these functions and the parabolas they produce can be used to solve real-world problems.