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joycemullins

  • 3 years ago

if n is an integer write an expression that must be a positive intger

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  1. cinar
    • 3 years ago
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    n^2+1

  2. tcarroll010
    • 3 years ago
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    or use absolute value |x|

  3. cinar
    • 3 years ago
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    x=0?

  4. cinar
    • 3 years ago
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    |x|+1 maybe..

  5. tcarroll010
    • 3 years ago
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    yes, that will work.

  6. joycemullins
    • 3 years ago
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    the answer is 2n^2, but how could i figure that out...preparing for test

  7. cinar
    • 3 years ago
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    answer cannot be 2n^2, since for n=0, 0 is not a positive integer..

  8. joycemullins
    • 3 years ago
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    thats the answer they gave in the book

  9. cinar
    • 3 years ago
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    2n^2+1 or 2n^2+2.... are possible solution but not that one

  10. joycemullins
    • 3 years ago
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    ok cool thanks

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