For each of the following sequences, write a formula for the general term. Then use the formula to find a20. (a) 2, 7, 12, 17, . . . (b) 6, 1, -4, -9, . . . (c) a0 = 4, d = -0.3

Q: Find the number of terms in each sequence: Formula: a, = a1 (r-1) 2. (11, -22, 44, . , 704} 1. (4,…

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Q: For the sequence defined by: a1 = 4 an+1 = Find: a2 || az = a4 = 4 ➖ an - 2

A: Given that a1 =4 an+1 = (4/an )-2 Find a2 =? a3 =? a4 = ?

Q: What is a for the sequence a₁ = n² - n? A. a₁ = 8 B. a = 12 C. a = 4 D. a₁ = 16 OA OB OC OD

A: Here is the solution:

Q: Use the graph below to determine a, and d for the sequence. {(1, 17), (2, 14), (3, 11), (4, 8),…

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Q: Given the geometric sequence: -1, 6, -36, 216, . Which of the following represents the explicit…

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Q: What is the 9th term of the sequence ªn =(−1)²”(n − 10), a

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Q: Write a formula for the arithmetic sequence that starts as follows: 3, 8, . . . Write the first five…

A: Here the given arithmetic sequence as Since the difference between any two terms of the above…

Q: Find the formula for the sequence below: -5,15,-45,180,...   a an=-3(-5)n-1 b an=5(3)n-1 c…

A: We have to find the formula

Q: Find a formula for the nth term in the sequence: 4 10 16 22 28 2 6 12' 20' 30 >... nth term is

A: The given sequence is  4/2, 10/6, 16/12, 22/20, 28/30,................. To find nth term

Q: Find the common ratio of the geometric sequence: {2, – 10, 50, – 250, 1250, ...} -

A: Topic - sequence and series r = common ratio r = an+1/an

Q: For the sequence defined by: a₁ = 1 an+1 = Find: a2= a3 = a4= 4 an -5

A: Given that  and .We have to find the values of .

Q: For each of the sequences, write the general term of the geometric sequence, then use the formula to…

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Q: 1. Foreach of the following sequences, write a formula for the generalterm. Then use the formula to…

A: We need to write the general term of the following sequences.

Q: 15. Consider the following sequence: 5, 15, 45, 135, 405, ... a) Is the sequence arithmetic,…

A: Note : according to our guidelines we can answer only first three subparts Given sequence is…