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anonymous

  • one year ago

What are the explicit equation and domain for an arithmetic sequence with a first term of 5 and a second term of 3?

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  1. welshfella
    • one year ago
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    common difference = second term - first term

  2. welshfella
    • one year ago
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    explicit equation is an = a + (n - 1)d where common difference = d and first term = a

  3. anonymous
    • one year ago
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    I think it starts like a_n=5-2(n-1) right?

  4. welshfella
    • one year ago
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    yes good job

  5. welshfella
    • one year ago
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    now the domain is the possible value of the terms

  6. welshfella
    • one year ago
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    listing the terms as the value odf d = -2 they are 5, 3, 1, -1, - 3......

  7. anonymous
    • one year ago
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    the last part I need is whether or not it is all integers where n>0 or n>1

  8. welshfella
    • one year ago
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    n starts from 1 so n > 0

  9. anonymous
    • one year ago
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    alright thank you again!

  10. welshfella
    • one year ago
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    yw

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