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  1. 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 - …

  2. Khan Academy

    If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and …

  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. Rational functions - 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 …

  5. Polynomial expressions, equations, & functions | Khan Academy

    Test your understanding of Polynomial expressions, equations, & functions with these 35 questions.

  6. Evaluating discrete functions (video) | Khan Academy

    It is very important to understand the notation we use for functions. An equation is simply two expressions set to one another, like y=2x. But if we were drawing the graphs of some of our …

  7. Khan Academy

    Learn about the definition of the basic trigonometric functions (sin(x), cos(x), and tan(x)), and use advanced trigonometric functions for various purposes.

  8. Calculus 1 - Khan Academy

    Functions defined by definite integrals (accumulation functions) Finding derivative with fundamental theorem of calculus Interpreting the behavior of accumulation functions

  9. College Algebra - Khan Academy

    The quadratic formula: Quadratic functions and equations Completing the square: Quadratic functions and equations Forms and features of quadratic functions: Quadratic functions and …

  10. Relations and Functions | Khan Academy

    u17_l1_t1_we2 Relations and Functions If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make …