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Sketh the graph

  1. May 5, 2009 #1
    1. The problem statement, all variables and given/known data

    Sketch the graph of the function f(x,y) = 1 - y^2

    2. Relevant equations



    3. The attempt at a solution

    see pic
     

    Attached Files:

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  2. jcsd
  3. May 5, 2009 #2

    HallsofIvy

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    That's a two dimensional graph- it looks like x= 1- y2. But you are asked to graph z= f(x,y)= 1- y2 in 3 dimensions. The graph is a parabolic cylinder. It's cross section is the parabola z= 1- y2 in the yz-plane but it extends infinitely along the x-axis.
     
  4. May 6, 2009 #3
    ahh brain fart


    hows the new pic
     

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