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grin007 [14]
3 years ago
10

A population of 2000 fish increases at an annual rate of 7.5%. Write the model, then predict how

Mathematics
1 answer:
ziro4ka [17]3 years ago
5 0

Answer:

The model is P(t) = 2000(1.075)^{t}.

There will be 4122 fish in 10 years.

Step-by-step explanation:

Exponentially increasing population:

An exponentially increasing population can be represented by the following model:

P(t) = P(0)(1+r)^t

In which P(t) is the population after t years, P(0) is the initial population, and r is the growth rate, as a decimal.

A population of 2000 fish increases at an annual rate of 7.5%.

This means that P(0) = 2000, r = 0.075

So

P(t) = P(0)(1+r)^t

P(t) = 2000(1+0.075)^t

P(t) = 2000(1.075)^{t}

This is the model.

How many fish will there be in 10 years?

This is P(10).

P(t) = 2000(1.075)^{t}

P(10) = 2000(1.075)^{10} = 4122

There will be 4122 fish in 10 years.

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