Question

A nonnative fern species is introduced into an area and quickly begins to spread. The number of plants can be modeled by
P(n) = 1,200(1.68)", where n is the number of months since the ferns were introduced. Use this information to complete the
statements.
Select the correct answer from each drop-down menu.
Based on the model, there were initially
The monthly percent rate of change is
This situation is modeled by an exponential
%.
ferns.
function.
Submit

Answer 1

Based on the information, there were initially 1200 ferns; the monthly percent rate of change is 68% and this situation is modeled by an exponential growth function

How to complete the information?

The given parameters from the question are:

P(n) = 1200(1.68)^n

Where

n represent the number of months

An exponential growth function is represented as:

P(n) = a * (1 + r)^n

Where

a represents the initial value

r represents the rate

By comparison, we have

a = 1200

1 + r = 1.68

This gives

r = 0.68 = 68%

Hence, there were initially 1200 ferns; the monthly percent rate of change is 68% and this situation is modeled by an exponential growth function

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