Recognize Percent Growth or Decay
Algebra 1 · Flashcards
ALGEBRA 1 · FLASHCARDS
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QUESTION
What is the value of
b
b
b
in
A
(
t
)
=
A
0
b
t
A(t)=A_0b^t
A
(
t
)
=
A
0
b
t
if the quantity decreases by
18
%
18\%
18%
each interval?
QUESTION
What decimal is equivalent to a
12
%
12\%
12%
growth rate?
QUESTION
Find the percent rate per interval for
A
(
t
)
=
90
(
1.07
)
t
A(t)=90(1.07)^t
A
(
t
)
=
90
(
1.07
)
t
.
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ANSWER
7
%
7\%
7%
increase. Base
1.07
=
1
+
0.07
1.07 = 1 + 0.07
1.07
=
1
+
0.07
, so the rate is
7
%
7\%
7%
increase.
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