anonymous
  • anonymous
I have no idea how to solve this.. Let g and f be two functions defined by g(x)=x-8 f(x)=x^2-25 for any real number x. Find all values of x that are NOT in the domain of the function g/f. If there is more than one value, separate them with commas.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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apoorvk
  • apoorvk
g/f means g or f?
apoorvk
  • apoorvk
or g divided by f
apoorvk
  • apoorvk
|dw:1332638012657:dw| now this g/f thing will be undefined at x=8, as then the value of denominator will be 0, and the function will shoot to infinity!! so x=8 isn't in the domain of g/f.

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More answers

anonymous
  • anonymous
g/f is (x-8)/(x^2-25)
anonymous
  • anonymous
this seems difficult ma, u should compare answers with a friend =) thats what i always do when idk an answer to a question :D
apoorvk
  • apoorvk
@dpalnc that is f/g what you wrote!
anonymous
  • anonymous
g(x) = x-8 f(x) = x^2 - 25 this is what the problem states and it wants g/f
phi
  • phi
oops, it is g/f we want! so maybe ma129 can figure out when x^2-25 is 0, and makes the fraction undefined
anonymous
  • anonymous
sorry, not "it", i mean she/he
apoorvk
  • apoorvk
OOPS.. sorry @ma129115 i made a mistake. for g/f, x^2 can't be 25. so x cant be +5 or -5.

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