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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. 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 …

  6. Functions | TG Math Class 11 | Khan Academy

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

  7. Practice Course Grade 8 Math - Khan Academy

    Unit 4 Arithmetic and geometric sequences Unit 5 Polynomials Unit 6 Solving equations Unit 7 Linear equations and functions Unit 8 Pythagoras theorem Unit 9 Measurement Unit 10 Geometric …

  8. 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.

  9. 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.

  10. Domain and range from graph (practice) | Khan Academy

    Given the graph of a function, determine its domain or range.