The table below shows the value, V, of an investment (in dollars) after n years.
n 0 3 7
V(n)
4000 4159.94
4594.74
12
5225.16
14 19
5277.92 5535.88
Use your calculator to determine the exponential regression equation that models the set
of data above. Round the "a" value to two decimals, and round the "b" value to two
decimals. Use the indicated variables and proper function notation.
V(n) =
Based on the your regression model, what is the percent increase per year?
96
Find V(20). Round your answer to two decimal places.
V(20) =
Interpret your answer by completing the following sentence. Be sure to use units in your
answer.
"The value of the investment after
ois
How long will it take for the value of this investment to reach $11,000? Round your answer
to two decimal places.
V(n) 11000 when n =
=
Interpret your answer by completing the following sentence. Be sure to use units in your
answer.
In
the value of the investment will reach
How long will it take for the value of the investment to double? Round your answer to two
decimal places.
V(n) has doubled when 7 =
Interpret your answer by completing the following sentence. Be sure to use units in your answer. In ____ the value of the investment will double.