8. Each year a dollar will buy fewer goods or services. This decrease in buying power is caused by inflation. Assume the annual rate of inflation is a constant 3.57%. Which function models the buying power of $500 after t years? A f) = 500 1- 3.57) 100 3.57 B s(t) = 500| 1+ 100 f(t) = 500 (1– 3.57)* D f(e : 100 3.57 (1+500) C.

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Chapter6: Exponential And Logarithmic Functions
Section6.7: Exponential And Logarithmic Models
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8. Each year a dollar will buy fewer goods or services. This decrease in buying power is caused by inflation. Assume
the annual rate of inflation is a constant 3.57%. Which function models the buying power of $500 after t years?
3.57
A f(t) = 500| 1-
100
3.57)
B f(e) = 500| 1+:
100
C
f(t) = 500 (1– 3.57)*
3.57
f(t) =
-(1+500)*
100
D
Transcribed Image Text:8. Each year a dollar will buy fewer goods or services. This decrease in buying power is caused by inflation. Assume the annual rate of inflation is a constant 3.57%. Which function models the buying power of $500 after t years? 3.57 A f(t) = 500| 1- 100 3.57) B f(e) = 500| 1+: 100 C f(t) = 500 (1– 3.57)* 3.57 f(t) = -(1+500)* 100 D
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