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Determine the domain and range of the function y=5−e^(−x/2).

  1. Nov 14, 2012 #1
    1. The problem statement, all variables and given/known data

    Determine the domain and range of the function y=5−e^(−x/2).

    I am having some trouble with this. Does any have some tips to get started, or a good link to a instructional video? My text book does not have this section :(

    Thanks all!

    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Nov 14, 2012 #2

    SammyS

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    Do you know the domain or the range of y = ex ?
     
  4. Nov 14, 2012 #3
    Thats a negative.

    I just got to the "e" now, but my book does not explain this. So, thats why I am asking here.
     
  5. Nov 14, 2012 #4

    SammyS

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    So, you have no experience with exponential functions.

    Have you ever graphed y = 2x ?
     
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