β
Mathematics, 20.10.2021 09:50 ChHal3716
(a)
Use the given sequence to answer the following questions. Answer all THREE parts.
β
1
,
4
,
9
,
14
,
β¦
β1, 4, 9, 14, β¦
Part A
What is the recursive formula?
A
an=anβ1+5a1=β1 a
n
=a
nβ1
+5
a
1
=β1
B
an=anβ1β1a1=β1a
n
=a
nβ1
β1
a
1
=β1
C
an=anβ1+5a1=5a
n
=a
nβ1
+5
a
1
=5
D
an=anβ1β1a1=5a
n
=a
nβ1
β1
a
1
=5
(b)
Part B
What is the explicit formula?
A
an=β1+5(nβ1)a
n
=β1+5(nβ1)
B
an=β1+5na
n
=β1+5n
C
an=5β1(nβ1)a
n
=5β1(nβ1)
D
an=5β1na
n
=5β1n
(c)
Part C
What is the 10th term in the sequence?
Answers: 1
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(a)
Use the given sequence to answer the following questions. Answer all THREE parts.
β
β
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