Find explicit formulas for the sequences whose initial terms are given below. That is, find a formula for the nth term of the sequence. In each case, assume that the first term's index is 0. (a) 9, 12, 15, 18, 21, ... an = (b) 1, -6, 11,-16, 21, ... (c) an = 1 2 3 4 4' 9' 16' 25' an = , n ≥ 0 help (formulas) , n ≥ 0 help (formulas) , n ≥ 0 help (formulas)

Q: The 2 – tail of the sequence Y = (1, 3, 5, 7, 9,... , 2n – 1, . ..) is: O Y = (7,9,..., 2n + 5, ...)…

A:

Q: Match the geometric sequence at the left with its explicit and re formulas at the right. 5, 20, 80,…

A: NOTE: Since you have posted multiple questions, we have solved the first question for you.If there…

Q: Find the 11th term of the harmonic sequence1/5,1/8/1/11,1/14,. . .

A: harmonic progression is 1arithmetic progression the given series has a pattern of = 13+previous term…

Q: Fibonacci sequence

A:

Q: The sum of the first 20 terms of the sequence 0.7, 0.77, 0.777, ... is

A: The given sequence is 0.7,0.77,0.777,...... The sum geometric sequence with common ratio r<1 ,of…

Q: Find a FORMULA for the general term an of the sequence {2, 20, 2, 20, 2, · · · } Assuming that the…

A: Given sequence is {2, 20, 2, 20, 2, · · · } The objective is to find the formula for the general…

Q: What are the initial term and a recursive formula for this sequence: 4, 7, 10, 13, ......

A: The given sequence is 4,7,10,13,... the common difference is 7-4=3,10-7=3,... therefore, the common…

Q: 10. If a = 2a., and a, = 3, find a formula for the sequence . (A) 6 (B) 3 x 2 (C) 2 x 3 (D) (3 x 2)"…

A: Givenan=2an-1 and a0=3 We are required to find the value of an

Q: 3. Express the following sequence in the form {a,} Term of Sequence 3,5,7.. Formula Notation a, =…

A:

Q: Give the first six terms of the following sequences. You can assume that the start with an index of…

A: Increasing sequence : If an is any sequence and an≤an+1 for all n .Then an is called to be…

Q: Suppose the sequence goes; 4, 8/3, 16/9, 32/27,... please find the sum of the first 25 even terms

A:

Q: What are the first 5 terms (starting with ao) of the sequence described below? an = 2an-1 - an-2…

A:

Q: Find a 8 of a geometric sequence if the first few terms of the sequence are given by - 1 , 3 , - 9 ,…

A:

Q: Find the recursive formula of the following sequence. (4, 7, 15, 24, . ... a1 = 4, a, = an-1+ 3(n +…

A:

Q: Find a formula for the general term an of the sequence assuming the pattern of the first few terms…

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: What is the explicit rule for the nth term of the geometric sequence? 3, 18, 108, 648, 3,888, O an =…

A: