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  • #16
    oh well since you own a Nobel prize in mathematics, let me reword that question: How can you be sure that function is defined at x<>5 and x<>7 ?Its just a question, excuse me for not being able to study every study there is.

    Still, are you sure the function is continious just because you can different it at 2 points? I just had 1 year maths at uni but that doesnt seem right. It has been a while but cant you say: 1/x is discontinious at x=0?


    if x=5 lies on the uper line and x=7 lies on the lower line is it correct to claim f(x) results in all values between 7 and -1 for 5<x<7?
    Last edited by Fluffz; 10-25-2008, 07:06 AM.

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    • #17
      Originally posted by Fluffz View Post
      Says who? 1/x is is differentiable but not continuous.
      1/x does not have derivatives at x = 0 and is not continuous there either.

      Originally posted by Fluffz View Post
      Nobel price in mathematics
      Prize, and there isn't one in mathematics.

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      • #18
        Still, are you sure the function is continious just because you can different it at 2 points?
        that's not what the problem says, it says the function is differentiable (not just at those two points)
        Originally posted by Ward
        OK.. ur retarded case closed

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        • #19
          this thread is hilarious
          Ferengi Rule of Acquisition #98: Every man has his price.

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          • #20
            The domain doesn't include 0 (in 1/x). It is continuous in all points of the domain.

            And a function that is differentiable implies that it is continuous.

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            • #21
              Wtf is this, nerds.
              (Paradise)>dj sage
              (HELLZNO!)>is he good, ive never heard his music
              1: Dynasty> LOL
              1:vue> LOL
              1:Cap> LOOL

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              • #22
                If you're going to go to Harvard I think they may be somewhat dismayed to find out that you can't do this early Calc 1 problem - especially since you want to major in engineering.

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                • #23
                  Originally posted by paradise! View Post
                  I'm told f and g are differentiable
                  So you conclude from this that the domain must be all real numbers and a version of the graph i posted cant be a solution? Thats quite a generous interpretation, isnt it?

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                  • #24
                    nerds

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                    • #25
                      Originally posted by genocidal View Post
                      If you're going to go to Harvard I think they may be somewhat dismayed to find out that you can't do this early Calc 1 problem - especially since you want to major in engineering.
                      I'm not focusing in this class is all, i've got about 4012 other things to do.
                      4:BigKing> xD
                      4:Best> i'm leaving chat
                      4:BigKing> what did i do???
                      4:Best> told you repeatedly you cannot use that emoji anymore
                      4:BigKing> ???? why though
                      4:Best> you're 6'4 and black...you can't use emojis like that
                      4:BigKing> xD

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                      • #26
                        These threads make me very happy that I decided to study a language
                        "People fear what they can't understand, hate what they can't conquer."

                        "Cherry blossoms in the Spring, and starry skies in the Summer. The Autumn brings the full moon. The Winter brings the snow. These things make Sake taste good. If you don't like Sake, then there is something wrong with you." Seijuro Hiko

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                        • #27
                          Originally posted by paradise! View Post
                          I'm not focusing in this class is all, i've got about 4012 other things to do.
                          Hi scool is hard.
                          Music and medicine, I'm living in a place where they overlap.

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                          • #28
                            this topic makes me feel stupid
                            Rediscover online gaming. Get Subspace

                            Mantra-Slider> you like it rough
                            Kitty> true

                            I girl with BooBiez> OH I GET IT U PRETEND TO BE A MAN


                            Flabby.tv - The Offical Flabby Website

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                            • #29
                              Paradise: Lazy cunt that doesn't pay attention in class and tries to take the shortcut using internet forumz OR stupid git that has lame excuses. You decide
                              "... I have promises to keep, And miles to go before I sleep." -R. Frost

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                              • #30
                                Originally posted by paradise! View Post
                                I'm not focusing in this class is all, i've got about 4012 other things to do.
                                Wait, do you actually go to Harvard? If so, this further solidifies my opinion of that school.

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