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23 April, 20:10

Find the nonpermissible replacement for b in b - 1 / b + 7

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Answers (2)
  1. 23 April, 20:42
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    This will be - 7 because this would make the denominator b + 7 = 0.
  2. 23 April, 21:49
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    B - 1/b + 7

    First, you have to divide b - 1/b + 7: b-1/b+7 = 1 + - 8/b + 7

    = 1 + - 8/b + 7

    Then simplify that

    = 1 - 8/b + 7
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