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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. 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. 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 …

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

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

  6. 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 - …

  7. Trigonometry | Khan Academy

    Explore the world of trigonometry by mastering right triangles and their applications, understanding and graphing trig functions, solving problems involving non-right triangles, and …

  8. Shifting functions introduction (video) | Khan Academy

    - [Instructor] So I am here at desmos.com, which is an online graphing calculator, and the goal of this video is to explore how shifts in functions happen. How do things shift to the right or left or …

  9. Trigonometric functions | Trigonometry | Math | Khan Academy

    Practice Midline of sinusoidal functions from graph Get 3 of 4 questions to level up!

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

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