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Scientists studied a deer population for 10 years. They generated the function [tex]f(x) = 248(1.15)^x[/tex] to approximate the number of deer in the population [tex]x[/tex] years after beginning the study.

About how many deer are in the population 3 years after beginning the study?

A. 251
B. 377
C. 850
D. 1,003


Sagot :

To determine the deer population 3 years after the beginning of the study, let's use the given function:

[tex]\[ f(x) = 248(1.15)^x \][/tex]

where \( x \) represents the number of years. In this case, we are interested in the population after 3 years, so we substitute \( x = 3 \) into the function:

1. Substitute \( x = 3 \) into the function:
[tex]\[ f(3) = 248(1.15)^3 \][/tex]

2. Calculate the term \( (1.15)^3 \):
[tex]\[ (1.15)^3 \approx 1.520875 \][/tex]

3. Then multiply this result by the initial population count of 248:
[tex]\[ 248 \times 1.520875 \approx 377.177 \][/tex]

So, approximately 3 years after beginning the study, the deer population is about 377.

Therefore, the correct answer is:
[tex]\[ \boxed{377} \][/tex]