AnswersMO-Algebra I AFunction Notation

Recognizing Patterns Answers

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A sequence is defined by the formula f(n+1)=f(n)−3. If f(4)=22, what is f(1)?

A
10
B
13
C
31
D
34
2
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A sequence is defined recursively using the formula . If the first term of the sequence is 120, what is f(5)?

Question illustration
A
−15
B
−7.5
C
7.5
D
15
3

What is the common difference between successive terms in the sequence?2, 8, 14, 20, 26, ...

A
–6
B
–4
C
4
D
6
4

What is the common ratio between successive terms in the sequence?27, 9, 3, 1, , , , ...

Question illustration
A
–3
B
–
Option B
C
Option
Option C
D
3
5

What is the common ratio between successive terms in the sequence?27, 9, 3, 1, , , , ...

Question illustration
A
–3
B
–
Option B
C
Option
Option C
D
3
6

What is the common difference between successive terms in the sequence?9, 2.5, –4, –10.5, –17, ...

A
–11.5
B
–6.5
C
6.5
D
11.5
7

A sequence is defined recursively using the equation . If f(1)=100, what is f(6)?

Question illustration
A
52
B
60
C
68
D
92
8

What is the common difference between successive terms in the sequence?0.36, 0.26, 0.16, 0.06, –0.04, –0.14, ...

A
–0.1
B
–0.01
C
0.01
D
0.1
9

What is the common ratio between successive terms in the sequence?1.5, 1.2, 0.96, 0.768, …

A
–0.8
B
–0.3
C
0.3
D
0.8
10

Which sequences are geometric? Select three options.–2.7, –9, –30, –100, ...–1, 2.5, –6.25, 15.625, ...9.1, 9.2, 9.3, 9.4, ...8, 0.8, 0.08, 0.008, ...4, –4, –12, –20, ...

A
–2.7, –9, –30, –100, ...
B
–1, 2.5, –6.25, 15.625, ...
C
9.1, 9.2, 9.3, 9.4, ...
D
8, 0.8, 0.08, 0.008, ...
E
4, –4, –12, –20, ...

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Recognizing Patterns Answers — MO-Algebra I A