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alyssababy7

  • 3 years ago

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

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  1. ByteMe
    • 3 years ago
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    Factor the denominator. Remember that the denominator cannot be zero.

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

  3. alyssababy7
    • 3 years ago
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    so a?

  4. JVitato1
    • 3 years ago
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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.

  5. alyssababy7
    • 3 years ago
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    b

  6. JVitato1
    • 3 years ago
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    You tell me, i think you kno.

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