6. For each of the following sequences, find a formula for the nth term, find the 20th term, and find the sum of the first 20 terms. (а) 6,9, 12, 15, ... (b) 2,1, , .

Q: ind b3 for the sequence generated by the sequence br+1 = 3b,, bo = 2. A) 27 В) 54 C) 6 D) 162 For…

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Q: Find an explicit formula for a sequence of the form a, a, a, 4, 8, 16, 32, 64, 128, 256 I an = with…

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Q: 2. Express the geometric sequence as an explicit formula. Then find the 10th term. Sequence: 9, –3,…

A: The explicit formula for a geometric sequence is of the form  f(n) or an= a1 rn-1 where r is the…

Q: List the first six (6) terms of each of the following sequences.  an=2(3n)+3, where n=1,2,3,……

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Q: ? For the sequence 2, 8, 32, ...; Write the formula for the general term and use it to find ts

A: To find the general term and 8th term  of the given sequence :-

Q: Match the terms on the left with the formulas on the right. nth term of an arithmetic sequence nth…

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Q: For each of the following sequences, write a formula for the general term. Then use the formula to…

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Q: Find a possible formula for the general nth of the sequence that begins as follows. Please simplify…

A: Ans : 2 2*2=4 2*2*2=8 2*2*2*2=16 2*2*2*2*2=32 ................ .................. 2*2*2*........nth…

Q: Write the first five terms of the sequence defined by the explicit formu 2(n-1)! n(n + 5) an

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Q: (1 point) List the first four terms of each sequence. a, = -4n + 2 : b, = (4)" : C1 = -3, C, =…

A: Given that, an=-4n+2    ......   (1) We have to find first four terms, So we put n=1 to n=4 one by…

Q: Find the first 10 terms of the sequence an 5n + 2. its 9th term is its 10th term is

A: To find the first ten terms of the sequence substitute n=1,2,3,........9,10 in an

Q: Which of the following is the explicit formula for the sequence {-2, -6, -18, -54, -162, ...}? a. =…

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