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The population of a town in Texas is modeled by the function f(x)=16,007(1.031)x. If the initial population (that is, the population when x=0) was measured January 1, 2014, what will the population be on January 1, 2030? Round your answer to the nearest whole number, if necessary.

The Population Of A Town In Texas Is Modeled By The Function Fx160071031x If The Initial Population That Is The Population When X0 Was Measured January 1 2014 W class=

Sagot :

From the information available, the initial population was 16,007. That figure was taken as at the year zero which is January 1, 2014.

This means

[tex]\begin{gathered} Yr1=2015-2014 \\ Yr2=2016-2014 \\ Yr3=2017-2014 \end{gathered}[/tex]

This trend would be used until we get to January 1, 2030, when we would calculate as follows;

[tex]Yr16=2030-2014[/tex]

Note that the years count from Jan 1 to Jan 1.

The function that models the yearly growth is;

[tex]f(x)=16007(1.031)^x[/tex]

Using the first year, 2014 which is year zero, the result would remain 16,007. That is;

[tex]\begin{gathered} f(0)=16007(1.031)^0 \\ f(0)=16007\times1 \end{gathered}[/tex]

For the 16th year, which is year 2030, we woud now have the following;

[tex]\begin{gathered} f(16)=16007(1.031)^{16} \\ f(16)=16007(1.629816253511204) \\ f(16)=26,088.4687699\ldots \end{gathered}[/tex]

Rounded to the nearest whole number, this figure becomes;

ANSWER:

[tex]\text{Population}\approx26,088[/tex]

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