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CaitlinH

  • 3 years ago

The sequence an = 2, 4, 8, 16, 32, ... is the same as the sequence a1 = 2, an = 2an - 1. A.True B.False

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  1. sai1234
    • 3 years ago
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    let n=1 just check a1=2a1-1 u can find answer

  2. amistre64
    • 3 years ago
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    is the now term, twice the last term?

  3. CaitlinH
    • 3 years ago
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    i dont understand

  4. amistre64
    • 3 years ago
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    do you know how to generate a sequance of numbers?

  5. CaitlinH
    • 3 years ago
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    not really

  6. amistre64
    • 3 years ago
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    the terms of the sequence here are named: a1 a2 a3 a4 a5 right?

  7. CaitlinH
    • 3 years ago
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    ok

  8. amistre64
    • 3 years ago
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    and they have certain values: a1 =2 a2 =4 a3 =8 a4 =16 a5 =32 right?

  9. CaitlinH
    • 3 years ago
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    yea

  10. amistre64
    • 3 years ago
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    so we have to compare this to the rule given to see if it matches up; the first part of the rule asks; does a1=2

  11. CaitlinH
    • 3 years ago
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    ok how do i do that

  12. amistre64
    • 3 years ago
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    you look at the list and see if a1 is equal to 2 to start off with .....

  13. CaitlinH
    • 3 years ago
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    ok then what will i do

  14. amistre64
    • 3 years ago
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    then you will compare the rule that states how each new term is formed from the the one before it and see if that matches

  15. amistre64
    • 3 years ago
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    for example; when n=2, what does n-1 equal?

  16. CaitlinH
    • 3 years ago
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    would the answer be false?

  17. amistre64
    • 3 years ago
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    maybe, but we havent finished checking to see if it matches the rules .....

  18. smileyxl3
    • 2 years ago
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    The answer is true

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