anonymous
  • anonymous
What is the domain of f(x) = 1/sqrt x -3? Helpp!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Is it\[f(x) = {1 \over \sqrt{x-3}}\]
anonymous
  • anonymous
yes!
anonymous
  • anonymous
then do the same as before... however, exclude the value(s) of x that will make the denominator zero. :D

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anonymous
  • anonymous
I did do the same as before and I got the answer wrong
anonymous
  • anonymous
let's see. how did you do it?
anonymous
  • anonymous
You can not have negative values, it is not a real solution for theĀ  Also, not any values in which make the denominator equal to 0.So , x must be greater than or equal to 0. x is all real numbers greater than 0, but 9.
KenLJW
  • KenLJW
If not to use complex then x>3
anonymous
  • anonymous
I got 3, infinity
anonymous
  • anonymous
fter I redid it
anonymous
  • anonymous
@KenLJW is right.
anonymous
  • anonymous
can someone show me how they got their answer
KenLJW
  • KenLJW
by inspection x<3 negative under the radical therefore complex x=3 denominator is zero therefore undefined
anonymous
  • anonymous
i see

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