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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. Graphs of rational functions: horizontal asymptote - Khan Academy

    Our horizontal asymptote is y is equal to zero so we can rule that one out. And that makes sense because really they only gave us enough information to figure out the horizontal asymptote.

  3. Transformations of functions | College Algebra - Khan Academy

    Once we know a handful of parent functions, we can transform those functions to build related functions. Geometry swoops in as we translate, reflect, and dilate the graphs, working back …

  4. Transformations of functions | Algebra 2 | Math | Khan Academy

    Importantly, we can extend this idea to include transformations of any function whatsoever! This fascinating concept allows us to graph many other types of functions, like square/cube root, …

  5. 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 …

  6. Identifying function transformations (video) | Khan Academy

    I have a really hard time understanding if a graph is being compressed vertically or if it is being stretched horizontally and vice versa. You could make a case for both and the help feature on …

  7. Graphing rational functions according to asymptotes

    Learn how to find removable discontinuities, horizontal asymptotes, and vertical asymptotes of rational functions. This video explores the specific example f (x)= (3x^2-18x-81)/ (6x^2-54) …

  8. Trigonometric functions | Algebra (all content) - Khan Academy

    This topic covers: - Unit circle definition of trig functions - Trig identities - Graphs of sinusoidal & trigonometric functions - Inverse trig functions & solving trig equations - Modeling with trig …

  9. Shifting functions introduction (video) | Khan Academy

    And what we're going to start off doing is just graph a plain vanilla function, f of x is equal to x squared. That looks as we would expect it to look, but now let's think about how we can shift it …

  10. Differentiation: definition and basic derivative rules | Khan Academy

    The derivative of a function describes the function's instantaneous rate of change at a certain point - it gives us the slope of the line tangent to the function's graph at that point.