Exponential Growth and Decay

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  • Опубліковано 26 лют 2014
  • From Thinkwell's College Algebra
    Chapter 6 Exponential and Logarithmic Functions, Subchapter 6.5 Exponential and Logarithmic Models

КОМЕНТАРІ • 51

  • @cosmickitty9533
    @cosmickitty9533 8 років тому +38

    You are like the Bill Nye of math. Awesome.

  • @jodismyck3277
    @jodismyck3277 5 років тому +9

    This was actually the funniest thing I've seen all day. Comedy genius, Marvelous Mr. Burger

  • @msduff100
    @msduff100 5 років тому +6

    I've spent 2 days trying to work this out, thanks so much!

  • @Jack-kl9ue
    @Jack-kl9ue 7 років тому +21

    totally thought he was hitting a bong in the first seconds of the video.

    • @Npotter14
      @Npotter14 7 років тому +1

      Jack Gustafson Yes bro ! 😆

  • @jessesalas8329
    @jessesalas8329 7 років тому +8

    This man is the reason I aced my Calc quiz today! I owe him my lyfe

  • @umikohiromi6015
    @umikohiromi6015 6 років тому +11

    6:55 lol, that cracked me up

  • @basilrex4105
    @basilrex4105 5 років тому +1

    Your pedagogy i.e. the way you season your tutorials with deadpan humour is persuading me to make maths my favourite subject. Thank you.

  • @shawnfulford4231
    @shawnfulford4231 4 роки тому

    You have saved my remote teaching. Your videos are the best on the internet!

  • @shemaiahmariemojuntin5932
    @shemaiahmariemojuntin5932 7 років тому +2

    Love your teaching! Understandable and entertaining at the same time!

  • @THEQuantumPolkaDots
    @THEQuantumPolkaDots 9 років тому +8

    I wish my calculator sounded that cool.

  • @hotghettoliquid
    @hotghettoliquid 9 років тому

    Nice work! you are really good at Math and gave us some great tricks and insights as well. I have a final tomorrow where this stuff will be real handy. Thanks.

  • @danachladek
    @danachladek 8 років тому

    Awesome teaching!

  • @uthmandeniz
    @uthmandeniz 3 роки тому

    Extremely helpful. Thanks.

  • @mohamedsaeed932
    @mohamedsaeed932 7 років тому

    This is awesooooooooome

  • @uthmandeniz
    @uthmandeniz 3 роки тому

    Wow! Calculators have changed by 2020. All the log to base 10, 2 any value is available.

  • @glennrickelton4093
    @glennrickelton4093 6 років тому

    In your final example you had e to natural log of 2 to X and then took the natural log of both sides. Would e and the natural log of 2 to X not cancel to 1 x 2X without having to use the natural log a second time?

  • @catlady715
    @catlady715 8 років тому +12

    The formula you are using is different from formula in my textbook. :0

    • @SatvikGupta
      @SatvikGupta 7 років тому +2

      Same here, I'm kinda confused now lol.

    • @catlady715
      @catlady715 7 років тому +5

      Thank God I'm done with my algebra class. What a nightmare but I passed with a B.

  • @celinalim5067
    @celinalim5067 9 років тому

    Thank you!

  • @amber5753
    @amber5753 8 років тому

    So so helpful! Thank you so much!

  • @trixiagonzales166
    @trixiagonzales166 9 років тому +1

    Thank you so much

  • @yosseftaieb1574
    @yosseftaieb1574 3 роки тому +1

    awesome God bless you

  • @treyjohn18
    @treyjohn18 7 років тому +7

    Hahah this guys rad

  • @victordaroa
    @victordaroa 8 років тому

    Really really helpful

  • @dianamelissagomez4590
    @dianamelissagomez4590 9 років тому

    so the a represents the initial population and the b is the rate right?

  • @user-qc9mp7fy4e
    @user-qc9mp7fy4e 7 років тому

    I gotta learn stuff that I don't need now
    and we know meditation is trying to teach us to focus on now!
    learn something now for your now reason!
    they say learn it in case for the future
    well, when I need it, i learn it!

  • @miltonlaxer
    @miltonlaxer 9 років тому

    Why did we divide e^5b/e^3b in the (5,400) to find b

  • @danielverdon874
    @danielverdon874 7 років тому +4

    Wish my professor could dumb it down like this.

  • @ShuyanStoryTeller
    @ShuyanStoryTeller 8 років тому

    thank yo so much

  • @zkfdsldfjsdjfl1
    @zkfdsldfjsdjfl1 7 років тому

    I love it

  • @sandeepgullapalli4190
    @sandeepgullapalli4190 6 років тому

    Nice video

  • @noneofyourbusinessthatsit
    @noneofyourbusinessthatsit 9 років тому

    Thanks!!!

  • @tenton2000k
    @tenton2000k 8 років тому +1

    Can someone explain to me why e raised to the ln is 1?

    • @sumangautam1907
      @sumangautam1907 7 років тому

      thats 1 just remember rather than knowing the reson.

  • @alandriaglenn3145
    @alandriaglenn3145 7 років тому

    what would you put for X if it was for "today".

    • @tombskater3000
      @tombskater3000 7 років тому

      I guess it'd be time from the beginning of the day (12:00am) to the current time. For example, if it was 3:30 in the afternoon (3:30pm), and your unit of time was hours, 'x' would be equal to 15.5 hours.
      Ot "today" could be one day, 24 hours...

  • @jayblankenship1553
    @jayblankenship1553 6 років тому

    They should put you name in here to give you credit!!

  • @savannahbell8169
    @savannahbell8169 8 років тому +2

    Omg its Eugene from grease

    • @cosmickitty9533
      @cosmickitty9533 8 років тому

      +vanna banana haha no not really

    • @AA-ew9qf
      @AA-ew9qf 6 років тому

      ghibanski omg ur my baby momma

  • @sharifajabri2238
    @sharifajabri2238 7 років тому

    I don't get it :''(

  • @deez1321
    @deez1321 7 років тому

    6:59 ok....

  • @ThePrmv
    @ThePrmv 8 років тому +1

    I super forgive you

  • @aakashrules123
    @aakashrules123 8 років тому

    When he turns sideways and talks about a model I can't see anything. Is it supposed to be like that?

  • @Get2KnowJesus1
    @Get2KnowJesus1 6 років тому

    loll, thanks!

  • @neogauntlet1008
    @neogauntlet1008 7 років тому

    *beep beep boop boop beep*

  • @ella_lovelife9641
    @ella_lovelife9641 5 років тому

    thank you, but you are not like our teachers in eastern world, teacher are very serious, they are not accepted to be challenged. and if you made a mistake, you may probably beaten very hard by teachers.

  • @glennrickelton4093
    @glennrickelton4093 6 років тому

    In your final example you had e to natural log of 2 to X and then took the natural log of both sides. Would e and the natural log of 2 to X not cancel to 1 without having to use natural log a second time?