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Graphing Question

  1. Sep 27, 2009 #1
    The function is..

    f(x) = 2x-2 if x<1
    x^2 if 1 <= x <= 2
    7-x if x>2

    I made a table of values and graphed the points. The problem is my prof said something about not all of the points being connected by straight lines, some being connected by curves. I was wondering why this is, and for which points?
     
  2. jcsd
  3. Sep 27, 2009 #2

    LCKurtz

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    What does the graph of f(x) = x2 look like?
     
  4. Sep 27, 2009 #3
    It's a parabola.

    ..so would the line between the two points of the function f(x) = x^2 be curved and all others straight?
     
    Last edited: Sep 28, 2009
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