Write out the first five terms of the sequence.an = 2n
A. 4, 8, 16, 32, 64
B. 1, 4, 9, 16, 25
C. 1, 2, 4, 8, 16
D. 2, 4, 8, 16, 32
Answer: D
Mathematics
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.8 - 24 + 72 - 216 + ... + (-1)n-1 8 ? 3n-1 + ...
A. 
; series diverges
B. 
; series diverges
C. 
; 2
D. 
; 4
Mathematics
Factor the expression by removing the common factor with the smaller exponent.
?
?
A. ?
B. ?
C. 
D. ?
E. ?
Mathematics
Find values for the variables so that the matrices are equal.
= 
A. x = 1; y = 1 B. x = 1; y = 9 C. x = 9; y = 1 D. x = 9; y = 9
Mathematics
Solve using the addition and multiplication principles together.2r + 2 = 12
A. 12 B. 4 C. 8 D. 5
Mathematics