SF7: I can compare arithmetic and geometric sequences
7. Here are two sequences:
Sequence A
term number
2
3
4
0
value
1
4
1
2
Explain or show your reasoning.
here Dis the
and a is the first term
Lommon
1
2
a. For sequence A, describe a way to produce each new
term from the previous term.
c. Write a definition for the nth term of sequence A.
value
d. Write a definition for the nth term of sequence B.
44
MENESESTE
Sequence B
42
40
R
16
14
12
10
26
24
20
18)
term number
b. For sequence B, describe a way to produce each new term from the previous term.
e. If these sequences continue, then which is greater, A(9) or B(9)? Explain or show how you know.