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mathtard Group Title

Can anyone please help me with this problem? \[f(t)\sqrt{t^2+1}\] find the function if it exists

  • 3 years ago
  • 3 years ago

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  1. estudier Group Title
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    I suppose the function sqrt(t^2+1) does indeed exist...

    • 3 years ago
  2. mathtard Group Title
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    but how do you find the function?

    • 3 years ago
  3. estudier Group Title
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    U appear to have found it, it's right there...

    • 3 years ago
  4. mathtard Group Title
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    That is the question

    • 3 years ago
  5. estudier Group Title
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    U are saying find the function but u are telling me what the function is?????

    • 3 years ago
  6. mathtard Group Title
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    that is how the problem is written. ???????

    • 3 years ago
  7. estudier Group Title
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    I dont understand what u want me to do, neither does anybody else.

    • 3 years ago
  8. mathtard Group Title
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    well i am just writing the problem the way it is written.

    • 3 years ago
  9. mathtard Group Title
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    oops find the function value if it exists

    • 3 years ago
  10. mathtard Group Title
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    sorry i thought I wrote value .

    • 3 years ago
  11. estudier Group Title
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    The only thing I can say about the function is that it must be positive by definition. Else you have to provide a t to enable calculation of a value for that particular value of t.

    • 3 years ago
  12. Alchemista Group Title
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    \[f(t)\sqrt{t^2+1} \cdot \sqrt{t^2+1}^{-1} = f(t)\] which is the "value" of the function at t

    • 3 years ago
  13. mathtard Group Title
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    it says f(0)= ??????

    • 3 years ago
  14. estudier Group Title
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    That-s better....

    • 3 years ago
  15. mathtard Group Title
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    sorry about that estudier.

    • 3 years ago
  16. Alchemista Group Title
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    So you mean \[ f(t) = \sqrt{t^2+1}\]\[\text{Find $f(0)$}\]

    • 3 years ago
  17. estudier Group Title
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    1

    • 3 years ago
  18. Alchemista Group Title
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    \[f(0) = \sqrt{(0)^2+1} = \sqrt{1} = 1\]

    • 3 years ago
  19. mathtard Group Title
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    Thank you!!!!

    • 3 years ago
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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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