9 items are filed under this topic.
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    a^(2^n) | 
  2010-10-22 | 
  
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  From Tim: I am trying to understand a^(2^n). 
The hint they give is a^(2^(n+1)) = (a^(2^n))^2
I am writing a program that will solve a^(2^n) recursively but need to
understand the power before I begin. 
I am currently pursuing writing (a) x (a^(2^(n-1))) where the 
(a^(2^(n-1))) would be the recursive function call a n approaches 0.
Once n is 0, the result would be multiplied by a two more times.
Anyway, explaining these powers would be appreciated. I will most likely
complete the program before the answer but I want to understand the 
logic of these powers. Thank you, Tim Answered by Stephen La Rocque. | 
  
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    3,6,10,15,and 21 | 
  2008-09-28 | 
  
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  From jarred: i am currently stumped on a math project that requires me to find out the recursive formula for a sequence of numbers.  the numbers in the sequence are 3,6,10,15,and 21.  Thank you for your time. Answered by Walter Whiteley. | 
  
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    A recursive formula for 9, -18, 36, -27, ... | 
  2008-06-05 | 
  
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  From Rita: I am having trouble understanding how to write formulas (I should say create formulas) from a given sequence. 
It does not matter what sort of sequence it is. The confusion remains. 
I have not found a textbook or easy math book that explains this process for the average Joe to grasp. 
Here are the two questions: 
  
(1) Write a recursive formula for the sequence 
 
9, -18, 36, -72, ... 
  
 
(2) Write a recursive formula for the sequence 
 
3, 3(sqrt{3}), 9, 9(sqrt{3}) Answered by Penny Nom. | 
  
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    A functional equation | 
  2002-10-14 | 
  
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  From Rob: Let f be a function whose domain is a set of all positive integers and whose range is a subset of the set of all positive integers with these conditions: a) f(n+1)>f(n)
   b) f(f(n))=3(n)  Answered by Claude Tardif. | 
  
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    2=the square root of (2 + the square root of (2 + the square root of (2 +...))) | 
  2001-11-05 | 
  
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  From Cynthia: justify algebreically, that:   2=the square root of 2 + the square root of 2 + the square root of 2 + the square root of 2 + the square root of 2 + and so on, .......    Answered by Penny Nom. | 
  
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    Population growth | 
  2001-05-01 | 
  
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  From Gina: Suppose the population of a country increases at a steady rate of 3% a year. If the population is 50 million at a certain time, what will it be 25 years later? Define the recurrence relation that solves this problem.  Answered by Penny Nom. | 
  
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    A sequence defined recursively | 
  2001-05-01 | 
  
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  From A student: A sequence s is defined recursively as follows:    s0=1  s1=2  sk=2sk-2 for all integers     - Compute s2,s3,s4... to guess an explicit formula for the sequence sk.  Answered by Penny Nom. | 
  
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    A sequence of even terms | 
  2001-04-29 | 
  
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  From A student: A sequence c is defined recursively as follows:   c0 = 2  c1 = 4  c2 = 6     ck= 5ck-3 for all integers     Prove that cn is even for all integers.   Answered by Leeanne Boehm and Penny Nom. | 
  
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    Cutting a Pizza | 
  1998-09-09 | 
  
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  From Woody: what is the greatest number of pieces of pizza you can form if you use five straight cuts to cut the pizza? answer given is 16. please draw a diagram of the answer.   thanks, woody Answered by Penny Nom. | 
  
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