Thursday
October 23, 2014

Homework Help: Math

Posted by Queta on Saturday, September 14, 2013 at 12:57pm.

1. Select the first five terms in the arithmetic sequence an= 2 n , starting with n =1

A. ( 1 / 2 , 1/4 ,1/6, 1/8, 1/10)
B. ( 1 , 2 , 3 , 4 , 5 )
C. ( 3 , 4 , 5 , 6, 7 )
D. ( 2 , 4, 6 , 8, 10 )

My answer is D.

2. Select the first five terms in the geometric sequence an = ( 2 ) n-1 , starting with n =1 .

A. ( 2 ,4, 6, 8, 10)
B. (1, 2 , 4 , 8, 16 )
C. ( 1, 2, 4, 6, 8 )
D. ( 2, 4, 6 , 8 ,10 )

My answer is A.

3.Select the sum of the series symbol look like an E^5 k= 1 ^k 2

A. 55
B.56
C.200
D.225

My answer is D.

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