Can anyone help me find the natural domain and range of[tex]f(x) =

  • Thread starter aek
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  • #1
aek
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Main Question or Discussion Point

can anyone help me find the natural domain and range of

[tex]f(x) = 1 - log_3x[/tex]
*the whole equation is under a square root sign, its just a couldn't latex it
 

Answers and Replies

  • #2
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so it's [itex]f(x) = \sqrt{1 - \log_3{x}}[/itex]?

Well, when is [itex]\log_3{x}[/itex] defined? When is [itex]\sqrt{x}[/itex] defined?
 
  • #3
789
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Two suggestions to build off of Data's. [itex]\log_3{x} = \frac{\ln{x}}{\ln3}[/itex]

and

[tex] 1 - \log_{3}x \geq 0[/tex]
 
  • #4
789
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Accidently doubled posted...
 

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