Write out the first five terms of the sequence.an = n2 - n
A. 1, 4, 9, 16, 25
B. 2, 6, 12, 20, 30
C. 0, 2, 6, 12, 20
D. 0, 3, 8, 15, 24
Answer: C
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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.
+ 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Write the first four elements of the sequence. sin (n?)
A. 0, 0, 0, 0 B. 1, 0, -1, 0 C. 1, 1, 1, 1 D. 0, 1, 0, -1
Find the first term a1 and the common difference d of the arithmetic sequence.0.75, 0.7, 0.65, 0.6, 0.55, . . .
A. a1 = -0.05, d = 0.55 B. a1 = 0.75, d = -0.05 C. a1 = 0.75, d = -0.1 D. a1 = -0.05, d = 0.05
Solve the problem.Suppose that the average monthly low temperatures for a small town are shown in the table.
Model this data using f(x) = a sin(b(x - c)) + d.
A. f(x) = 23 sin 
+ 42
B. f(x) = 42 sin 
+ 23
C. f(x) = 23 sin 
+ 42
D. f(x) = 23 sin 
+ 42