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  1. Khan Academy | Khan Academy

    Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

  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

    This topic covers: - Evaluating functions - Domain & range of functions - Graphical features of functions - Average rate of change of functions - Function combination and composition - Function …

  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 by connecting …

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

    Unit 4 Linear inequalities and systems Unit 5 Functions Unit 6 Introduction to exponential functions Unit 7 Introduction to quadratic functions Unit 8 Quadratic equations Course challenge

  6. 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.

  7. Advanced function types | College Algebra | Math | Khan Academy

    Let's use the building blocks of simpler function types to explore functions that zig-zag or twist across the screen. Come explore the weird and wonderful world of absolute value graphs, piecewise functions, …

  8. Function rules from equations | Algebra (practice) | Khan Academy

    Create functions that match one variable to the other in a two-variable equation. Functions are written using function notation.

  9. 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 …

  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!