Resursive term.

  • Thread starter recoil33
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  • #1
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Write a recursive rule for each of the following sequences:
(a) 41, 42.5, 44, 45.5, 47, 48.5, 50, …

(b) 300, 30, 3, 0.3, 0.03, 0.003, …

(c) 2, 6, 8, 14, 22, 36, …

-----------------
a) Tn+1 = Tn + 1.5
b) Tn+1 = 0.1Tn
c) ?

For C, The difference is 4, 2, 6, 8, 14,
I've figured out several terms, but they will only solve individual bits of the recursive term.
Someone please explain how i would go upon figuring out the recursive rule for question c?
 

Answers and Replies

  • #2
HallsofIvy
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Do you notice that after the first "4", the differences are the same as the numbedrs in the sequence? What is the sum of two consecutive numbers in the sequence? What is 2+ 6? What is 6+ 8? What is 8+ 14? What is 14+ 22?
 
  • #3
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Thank you so much, I really don't know how i missed that!
 

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