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Homework please help!

  1. Jul 10, 2011 #1
    Use the intermediate value theorem to show that f(x) has a zero in the given interval. Please show all of your work.
    f(x)=-3x³+6x²-4x+12;[2.2,2.3]

    have to use the Bolzano's Theorem(special case of the intermediate value theorm
    can someone please help me out with this problem???
     
  2. jcsd
  3. Jul 10, 2011 #2

    phinds

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    read the forum rules on how homework questions are to be posted.
     
  4. Jul 10, 2011 #3

    SammyS

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    Do you know what Bolzano's Theorem states?
     
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