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Calculus help assignment

  1. Oct 23, 2008 #1
    1. The problem statement, all variables and given/known data
    hello, i really need help with my calculus assignment please. i looked over it many times and still no idea how to do it, what we have for lectures is completely different from this first assignment. i am a first year student at university. i uploaded the assignment online at sendspace, it is the only first two pages, and there 3 questions. thank you. any help would be appreciated.
    http://www.sendspace.com/file/51brfu


    2. Relevant equations

    http://www.sendspace.com/file/51brfu

    3. The attempt at a solution

    i really have no idea how to do it, that is why i really need your help on this. thank you
     
  2. jcsd
  3. Oct 23, 2008 #2
    You didn't really show that you made an attempt at a solution.

    For b, try creating yourself a function (ie, maybe you can create a function g such that g(x) = f(x) - x). You know the sum of two continuous functions is continuous, so you can apply the IVT here.

    2 is just conic sections (I believe that's what they are called) and you can figure it out by simply playing with the equations. Though you may want to draw some rough pictures to see what is going on.
     
  4. Oct 23, 2008 #3
    i did have a look at it, i am having difficulties with it trying to even solve it, thank you for the information
     
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