Question

The percentage of a pond that is covered by an invasive water weed after t weeks is modeled by
A
(
t
)
=
3
e
0.15
t
. To the nearest whole number, discover what percentage of the pond will be covered after 20 weeks.(1 point)
Responses

60 percent
60 percent

6,026 percent
6,026 percent

This is impossible to determine with the information provided.
This is impossible to determine with the information provided.

4 percent
4 percent
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Answer 1

A(20) = 3 e^{0.15·20} = 3 e^3 ≈ 3·20.0855 ≈ 60.2566, which rounds to 60 percent.