Write the first five terms of the sequence.Determine whether the sequence is arithmetic.If so,find the common difference.(Assume that n begins with 1. )
An = (2n) n
A) 2,8,24,64,160 Arithmetic sequence
D = -2
B) 160,64,24,8,2 Arithmetic sequence
D = 2
C) 160,64,24,8,2 Not an Arithmetic sequence
D) 2,8,24,64,160 Arithmetic sequence
D = 2
E) 2,8,24,64,160 Not an Arithmetic sequence
Correct Answer:
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