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anonymous

  • one year ago

Given the functions f(n) = 25 and g(n) = 3(n − 1), combine them to create an arithmetic sequence, an, and solve for the 12th term.

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  1. anonymous
    • one year ago
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    an = 25 − 3(n − 1); a12 = −11 an = 25 − 3(n − 1); a12 = −8 an = 25 + 3(n − 1); a12 = 58 an = 25 + 3(n − 1); a12 = 61

  2. anonymous
    • one year ago
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    wow does "combine" mean "add"?

  3. anonymous
    • one year ago
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    yes :)

  4. anonymous
    • one year ago
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    tell your math teacher there is no such mathematical operation as "combine"

  5. anonymous
    • one year ago
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    Lol, will do!!

  6. anonymous
    • one year ago
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    although you can "combine like terms" for example

  7. anonymous
    • one year ago
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    if it means "add' then stick a plus sign between them that is all

  8. anonymous
    • one year ago
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    Ok, so now have C and D left

  9. anonymous
    • one year ago
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    then replace \(n\) by \(12\) and see what you get

  10. anonymous
    • one year ago
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    58! So, is it C?

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