anonymous
  • anonymous
Help! The function f(x)=1/((x^2)−4) is not defined at these x values:
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[f(x)= \frac{ 1 }{ x^2 - 4 }\]
anonymous
  • anonymous
To solve this, you set the denominator equal to 0. Then you just solve for x.
anonymous
  • anonymous
Then the x you get is the x value that is undefined.

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anonymous
  • anonymous
I got x= \[\sqrt{5}\]
anonymous
  • anonymous
But it said it's wrong
anonymous
  • anonymous
What minus 4 equals 0?
anonymous
  • anonymous
x^2-4=0. Try solving for that. You should get two answers.
anonymous
  • anonymous
plus or minus 2?
anonymous
  • anonymous
Correct!
anonymous
  • anonymous
Thanks!!!
anonymous
  • anonymous
Yep! Good job!
anonymous
  • anonymous
No problem, glad both sunny and I could help!

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