# Math

How to write a recursive rul for sequences. ex.) 1,3,4,7,11

1. 👍 0
2. 👎 0
3. 👁 104
1. n= (n-1)+(n-2)

1. 👍 0
2. 👎 0
2. looks like a variation of the Fibonacci numbers.

in this one
Term(n+2) = term(n) + term(n+1),
where term(1) = 1
term(2) = 2
n > 2

1. 👍 0
2. 👎 0
posted by Reiny

## Similar Questions

1. ### Algebra

Write a recursive formula for the following sequences: 1) 1,6,11,16... 2) 4, 12, 36, 108... 3) A ball is dropped from an initial height of 10 feet. The maximum heights the ball bounces are as shown (10 ft, 6 ft, 3.6 ft, 2.16 ft)

asked by INeedHelp on January 28, 2015
2. ### algebra

For each of the following sequences, find an explicit and a recursive description of the pattern. Assume sequences start from n = 1. a. 1, -1, -3, -5... b. 8,2,3,9... c. -2, 0, 0, -2, -6...

asked by Sara V. on May 3, 2017
3. ### math

Write the first 5 terms of the sequences defined by the recursive formula t1= 7, tn= 2tn-1 - 3n, n>1

asked by Resetta on May 18, 2015

For each of the following explicit descriptions of a sequence, find a recursive description; for the recursive ones, find an explicit rule. Assume sequences start from n = 1. 1. an = 2n2 − 3n 2. a1 = 4 and an+1 = an + 2 3. a1 =

asked by Sara V. on May 3, 2017
5. ### Pre-Cal

Recursive Sequences: find a formula for: 1,1,2,3,5,8,13,21 It looks like the Fibonacci sequence. Take the first two numbers and add them to get the 3rd. take the 2nd and third to get the fourth...etc. yeah, but how would i write

asked by James on December 6, 2006
6. ### Math

What the heck is recursive? recursive: repeats Going up a stairwell is a recursion each step. knitting is a recursive process.

asked by Kiddy i am on June 14, 2007
7. ### 9th grade algebra (sequences)

Can you check my homework please? Given the following representations, tell whether it's arithmetic/geometric, find the difference/ratio, find the explicit formula, find the recursive formula, and the given term. (This whole

asked by Alexis on January 16, 2017
8. ### Biology

When making comparison of sequences where some are whole genome sequences while others are partial genome sequences, or a specific glycoprotein sequence, How is it that we are able to make comparisons from these sequences if they

asked by Cristian on April 21, 2013