Answer :
The number of the years to take for the farmland's market value to reach $125,000 will be 19 years.
The missing function will be given below.
[tex]\rm p(t) = 78,125\ e^{0.025t}[/tex]
What is an exponent?
Let a is the base and x is the power of the exponent function and b is the y-intercept. The exponent is given as
y = aˣ
A patch of farmland is currently worth $78,125. The expected increase in its market value can be modeled by the function below.
[tex]\rm p(t) = 78,125\ e^{0.025t}[/tex]
Then the number of the years to take for the farmland's market value to reach $125,000 will be
[tex]\rm 78,125 \ e^{0.025t} = 125,000\\\\e^{0.025t} = 1.6[/tex]
Then take log on both sides, then we have
0.025t lne = ln 1.6
0.025t = 0.47
t = 18.8
t = 19 years
More about the exponent link is given below.
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