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What does this mean f '(2)

  1. Feb 12, 2007 #1
    is it the same as f(2)
     
  2. jcsd
  3. Feb 12, 2007 #2
    No. It usually means the derivative of f evaluated at 2.
     
  4. Feb 13, 2007 #3

    Gib Z

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    [tex]f'(2) = \lim_{h \rightarrow 0} \frac{f(2+h) - f(2)}{h}[/tex]
     
  5. Feb 13, 2007 #4
    thanks man
     
  6. Feb 13, 2007 #5

    mathwonk

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    one is height of graph at x=2, one is slope of graph at x=2.
     
  7. Feb 13, 2007 #6

    Hurkyl

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    f is a function.

    f' is a function: it's the derivative of f.

    f'(2) is the result of plugging 2 into the function f'
     
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