Write Explicit or Recursive Functions
Algebra 1 · Flashcards
ALGEBRA 1 · FLASHCARDS
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QUESTION
What is the recursive formula for "start with
1000
1000
1000
and increase by
8
%
8\%
8%
each step," using
P
(
0
)
P(0)
P
(
0
)
?
QUESTION
What is the recursive formula for "start with
9
9
9
and multiply by
−
2
-2
−
2
each step," using
a
1
=
9
a_1=9
a
1
=
9
?
QUESTION
What does the exponent
n
−
1
n-1
n
−
1
represent in
a
n
=
a
1
⋅
r
n
−
1
a_n=a_1\cdot r^{n-1}
a
n
=
a
1
⋅
r
n
−
1
?
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ANSWER
The number of times the ratio
r
r
r
is applied from term
1
1
1
to term
n
n
n
. Shows how many times we multiply by
r
r
r
to get from
a
1
a_1
a
1
to
a
n
a_n
a
n
.
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