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anonymous

  • one year ago

The following function defines a recursive sequence: f(0) = -3 f(1) = 6 f(n) = -2•f(n -1) - f(n - 2); for n > 1 Which of the following sequences is defined by this recursive function? A. -3, 6, -9, -12, … B. -3, 20, -95, 480, … C. -3, 6, -9, 12, … D. -3, -20, -95, -480, …

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  1. anonymous
    • one year ago
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    @BioHazard9064

  2. BioHazard9064
    • one year ago
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    ok

  3. anonymous
    • one year ago
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    what

  4. BioHazard9064
    • one year ago
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    ok, f(0) = -3 , first term = -3 f(1) = 6, 2nd term = 6 so, as of now our sequence is -3,6 to find nect term, we will use f(n) = -2•f(n -1) - f(n - 2) put n= 2 here, what do u get ?

  5. anonymous
    • one year ago
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    0?

  6. BioHazard9064
    • one year ago
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    ok

  7. BioHazard9064
    • one year ago
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    yes! f(2) = -2 f(1) - f(0) and you already know f(1) =6, f(0) = -3 just plug in values!

  8. anonymous
    • one year ago
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    so the answer isss?

  9. BioHazard9064
    • one year ago
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    not A

  10. BioHazard9064
    • one year ago
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    i'm still working it out I'm just stalling

  11. anonymous
    • one year ago
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    ok

  12. BioHazard9064
    • one year ago
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    ok so as I said its not A

  13. anonymous
    • one year ago
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    yea

  14. BioHazard9064
    • one year ago
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    So the Answer would be C. -3, 6, -9, 12, and so on

  15. anonymous
    • one year ago
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    ok thnx :)

  16. BioHazard9064
    • one year ago
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    np

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