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Math Help - Equations for the following graphs

  1. #1
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    Equations for the following graphs

    Can someone provide an equation for the following graphs please?
    Equations for the following graphs-image1.jpg
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  2. #2
    Junior Member
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    It is impossible. You post graphs with no ticks whatsoever.
    Even so, the best we could give you is an estimate by means of polynomial approximation for example.
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  3. #3
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    Hello, nazitf!

    Can someone provide an equation for the following graph please?
    Code:
     
    1a
    
          |
         1*
          |   *
          |      *
          |        *
          |         ♥
          |          *
          |            *
          |               *
          |                   *
          |                           *
        - + - - - - - - - - - - - - - - - - 
          |

    A graph of this form could be the function: . y \:=\:\dfrac{a^2}{x^2+a^2},\;\;x \geq 0


    As x \to \infty, the graph approaches the x-axis asymptotically.

    It has an inflection point at: . \left(\dfrac{a}{\sqrt{3}},\;\dfrac{3}{4}\right)

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  4. #4
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    Thanks Soroban - that's what I was after.
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