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anonymous

  • 5 years ago

for which value of x is f(x)=1 divided by 27-3^x undefined?

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  1. anonymous
    • 5 years ago
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    That would meant that 27 - 3^x = 0, because when the denominator = 0, the whole thing is undefined...now try to solve for it! ^^

  2. anonymous
    • 5 years ago
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    is it 3?

  3. anonymous
    • 5 years ago
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    Yup! xD

  4. anonymous
    • 5 years ago
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    would i write that x and a equal sign with a slash through it than 3 for x is not equal to 3?

  5. anonymous
    • 5 years ago
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    it's undefined when x = 3

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