Applied rate of change: forgetfulness | Applications of derivatives | AP Calculus AB | Khan Academy

Let's face it, sometimes it feels like we forget much of what we learn. In this example we model that forgetful phenomenon. Created by Sal Khan.
Practice this lesson yourself on KhanAcademy.org right now: www.khanacademy.org/math/ap-calculus-ab/ab-applications-derivatives/ab-applied-rate-of-change/e/applications-of-differentiation-in-biology--economics--physics--etc?YT&Desc&APCalculusAB
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Пікірлер: 5

  • @thiagorisingforce
    @thiagorisingforce10 жыл бұрын

    I think Khan Academy is missing a series of videos on propositional logic and mathematical proofs it would be great, there is not very much material available on this topic

  • @Quercuspalustris50
    @Quercuspalustris5010 жыл бұрын

    It's kinda weird to think about because you're loosing fractions of words at different points. I think a follow up question to this example could be at what points in time are you not loosing pieces of words? i.e. where dw/dt=only whole numbers. I can figure it out the long way, or use a computer program to do it for me, but what's the more elegant solution? Some type of summation thing?

  • @jaco2chiu
    @jaco2chiu10 жыл бұрын

    Forgetting curve

  • @lamo2902
    @lamo29023 жыл бұрын

    3:55 isn't it going to be negative 0.8?

  • @lamo2902

    @lamo2902

    2 жыл бұрын

    @Sattwik Hazra haha thank you! I've been thinking about this my whole life

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