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alyssababy7 Group Title

Find the domain of the function. g(x) = 3x / x^2 - 81 A. (-∞, ∞) B. (-∞, -9)u (-9, 9)u (9, ∞) C. (81, ∞)

  • 2 years ago
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  1. ByteMe Group Title
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    Factor the denominator. Remember that the denominator cannot be zero.

    • 2 years ago
  2. JVitato1 Group Title
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    All real numbers, where x does not equal 9 or -9

    • 2 years ago
  3. alyssababy7 Group Title
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    so a?

    • 2 years ago
  4. JVitato1 Group Title
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    well lets say it goes negative infinity to but not including -9, then from -9 to but not including 9 then on to infinity.

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  5. alyssababy7 Group Title
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    b

    • 2 years ago
  6. JVitato1 Group Title
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    You tell me, i think you kno.

    • 2 years ago
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