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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. 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 …

  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. 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 - …

  5. 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.

  6. 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.

  7. Functions | TG Math Class 11 | Khan Academy

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

  8. Khan Academy | Khan Academy

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

    This topic covers: - Intercepts of linear equations/functions - Slope of linear equations/functions - Slope-intercept, point-slope, & standard forms - Graphing linear equations/functions - Writing …

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

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