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1. A function whose domain is positive integers is called ...
A
linear function
B
sequence
C
rational function
2. This is an example of ...
A
piecewise formula
B
recursive formula
C
linear fractions
3. continue the following sequence: {1, 4, 9, ...}
A
25
B
16
C
12
4. A sequence that changes sign by each term is called ...
A
arithmetic sequence
B
geometric sequence
C
alternating sequence
5. continue the following sequence: {98, 87, 76, ... }
A
65
B
67
C
54
6. if a sequence is given by explicit formula n!, what is the value of 6th term?
A
6
B
21
C
720
7. what is the common difference of the sequence {3, 9, 15, ... }
A
3
B
6
C
30
8. find the sum of the sequence {1, 9, 17, 25}
A
54
B
51
C
52