Trout Population A pond currently contains 2000 trout. A fish hatchery decides to add 20 trout each month. It is also known that the trout population is growing at a rate of 3 % per month. The size of the population after n months is given by the recursively defined sequence p 0 = $ 3000 p n = 1.03 p n − 1 + 20 . How many trout are in the pond after 2 months? That is. what is p 2 ?
Trout Population A pond currently contains 2000 trout. A fish hatchery decides to add 20 trout each month. It is also known that the trout population is growing at a rate of 3 % per month. The size of the population after n months is given by the recursively defined sequence p 0 = $ 3000 p n = 1.03 p n − 1 + 20 . How many trout are in the pond after 2 months? That is. what is p 2 ?
Solution Summary: The author calculates the number of trout in the pond after 2 months, that is P_2=2162.
Trout Population A pond currently contains
2000
trout. A fish hatchery decides to add
20
trout each month. It is also known that the trout population is growing at a rate of
3
%
per month. The size of the population after
n
months is given by the recursively defined sequence
p
0
=
$
3000
p
n
=
1.03
p
n
−
1
+
20
.
How many trout are in the pond after
2
months? That is. what is
p
2
?
Can you answer this question and give step by step and why and how to get it. Can you write it (numerical method)
Can you answer this question and give step by step and why and how to get it. Can you write it (numerical method)
There are three options for investing $1150. The first earns 10% compounded annually, the second earns 10% compounded quarterly, and the third earns 10% compounded continuously. Find equations that model each investment growth and
use a graphing utility to graph each model in the same viewing window over a 20-year period. Use the graph to determine which investment yields the highest return after 20 years. What are the differences in earnings among the three
investment?
STEP 1: The formula for compound interest is
A =
nt
= P(1 + − − ) n²,
where n is the number of compoundings per year, t is the number of years, r is the interest rate, P is the principal, and A is the amount (balance) after t years. For continuous compounding, the formula reduces to
A = Pert
Find r and n for each model, and use these values to write A in terms of t for each case.
Annual Model
r=0.10
A = Y(t) = 1150 (1.10)*
n = 1
Quarterly Model
r = 0.10
n = 4
A = Q(t) = 1150(1.025) 4t
Continuous Model
r=0.10
A = C(t) =…
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