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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 | 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 …

  3. 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.

  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. 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.

  6. 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 …

  7. Review: Functions (article) - Khan Academy

    We've defined the functions for you, because we thought they'd be useful, and now it's up to you to decide what custom functions you want to use in your own programs.

  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 | 8th grade math (FL B.E.S.T.) | Khan Academy

    Practice Comparing linear functions word problems Get 3 of 4 questions to level up!

  10. Absolute value equations, functions, & inequalities | Khan Academy

    This topic covers: - Solving absolute value equations - Graphing absolute value functions - Solving absolute value inequalities