Recursive Formula for Sequences

Which of the following sequences has the recursive rule f_n = f_n-1 + f_n-2

• {8,12,16,20,24, …}

• {-15,-19,-23,-27,-31, …}

• {-3,-12,-48,-192,-768, …}

• {1, 2, 3, 5, 8, …}

Tags

CCSS.HSF.IF.A.3

Does this recursive routine model growth or decay, and by what percent?
U₁ = 10
U_n+1 = U_n*.75

• Growth, 75%

• Growth, 25%

• Decay, 75%

• Decay, 25%

Tags

CCSS.HSF.BF.A.2

Write the recursive formula for 4, 8, 12....

• a_n=a_n-1-7

• a_n=a_n-1-4

• a_n=a_n-1+3

• a_n=a_n-1+4

Tags

CCSS.HSF.BF.A.2

Write the recursive formula of 13, 9, 5...

• a_n=a_n-1-4

• a_n=a_n-1+3

• a_n=a_n-1-5

• a_n=a_n-1+4

Tags

CCSS.HSF.BF.A.2

Which of the following equations is recursive?

• f(n) = f(n-1) +4

• f(n) = 2n - 5

Tags

CCSS.HSF.IF.A.3

What is the recursive rule for the sequence:
11, 22, 44, 88...

• a_n = 2(11)^n-1

• a_n = 11x 2

• a_n = 11(2)^n-1

• a_n = 2a_n-1

Tags

CCSS.HSF.BF.A.2

Given the sequence -5, -15, -25, -35..., which recursive formula describes it?

Tags

CCSS.HSF.IF.A.3

Given the sequence 11, 15, 19, 23..., which recursive formula describes it?

Tags

CCSS.HSF.IF.A.3

Given the sequence 30, 40, 50, 60..., which recursive formula describes it?

Tags

CCSS.HSF.IF.A.3

Recursive formulas are mainly used for providing the ______ and the _____ in an arithmetic sequence.

• first term

  and

  last term

• first term

  and

  common difference

• previous term

  and

  final term

• none of these

Tags

CCSS.HSF.BF.A.2