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  1. help_people
    • one year ago
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    A recursive function is shown below: f(1) = 4 and f(n) = f(n - 1) - 8; n > 1 Which of the following lists the terms in the sequence defined by this recursive function? 4, -4, -12, -20, -28, ... 4, 4, 12, 20, 28, ... 4, 12, 20, 28, 36, ... 4, -12, -20, -28, -36, ...

  2. anonymous
    • one year ago
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    f(2) = f(2-1)-8 = f(1) - 8 = -4 f(3) = f(3-1)-8 = f(2) - 8 = -4 - 8 = -12

  3. anonymous
    • one year ago
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    Do you see how?

  4. help_people
    • one year ago
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    no explain mor3 @lokeshh

  5. help_people
    • one year ago
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    oh wait yes so the answer would be what? > that is why i am not understanding.

  6. anonymous
    • one year ago
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    Let's first calculate f(2). We use this formula: f(n) = f(n - 1) - 8; n > 1 In this formula we substitute n to 2, then we have f(2) = f(2 - 1) - 8 = f(1) -8 Now since we know f(1) = 2, this gives us f(2) = 4 - 8 = -4 Do you understand how I computed f(2)?

  7. help_people
    • one year ago
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    yes

  8. help_people
    • one year ago
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    i got a

  9. help_people
    • one year ago
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    @lokeshh

  10. anonymous
    • one year ago
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    Now can you calculate f(3) by substituting n = 3?

  11. help_people
    • one year ago
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    i got a

  12. anonymous
    • one year ago
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    You meant you got it?

  13. help_people
    • one year ago
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    yes i do for the answer i believe its a :)

  14. anonymous
    • one year ago
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    Yeah, that's the correct answer. You can further check by calculating f(3) and f(4). They will be -12 and -20 respectively.

  15. help_people
    • one year ago
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    ok XOXO thank you :D

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