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Mathematics
Mathematics
Problem
97. The function
f
(
x
)
=
100
(
1
+
0.09
/
4
)
x
−
1
0.09
/
4
f(x)=100 \frac{(1+0.09 / 4)^{x}-1}{0.09 / 4}
f
(
x
)
=
100
0.09/4
(
1
+
0.09/4
)
x
−
1
describes the future value of a certain annuity. (a) What is the annual interest rate? (b) How many payments per year are there? (c) What is the amount of each payment?
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