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31 Mar 2021, 07:30
Kudos
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
89% (00:48) correct
11%
(01:23)
wrong
based on 222
sessions
History
Date
Time
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Not Attempted Yet
\(B_{n} = (−1)^n*n + 3\) for all integers n ≥ 1. What is the 9th term of the sequence?
(A) -9
(B) -6
(C) -1
(D) 6
(E) 9
(A) -9
(B) -6
(C) -1
(D) 6
(E) 9
31 Mar 2021, 07:33
Kudos
Bookmarks
Given: Bn = \((−1)^n × n + 3\) for all integers n ≥ 1.
B9 =?
B9 = \((-1)^9 × 9 + 3 = (-9) + 3 = (-6)\)
=> 9th term of the sequence is -6.
So, correct answer is option B.
B9 =?
B9 = \((-1)^9 × 9 + 3 = (-9) + 3 = (-6)\)
=> 9th term of the sequence is -6.
So, correct answer is option B.
31 Mar 2021, 08:53
Kudos
Bookmarks
9th term will be (-1)^9*9+3=-6
Option B
Option B
