Write Explicit or Recursive Functions
Algebra · Flashcards · Recall
ALGEBRA · FLASHCARDS
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QUESTION
What is the explicit formula if you start with
P
0
P_0
P
0
and decrease by
p
%
p\%
p
%
each step for
n
n
n
steps?
QUESTION
What is the explicit formula for a geometric sequence with first term
a
1
a_1
a
1
and common ratio
r
r
r
?
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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