Mathematics, 17.02.2021 14:10 jungkookie001
A cell phone costs $750 and loses 28% of its value each year. Write an exponential decay function to represent this situation.
1. f(x)= 750 • 0.72^x
2. f(x)= 0.72 • 750^x
3. f(x)= 750 • 0.28^x
4. f(x)= 0.28 • 750^x
Answers: 3
, for 
. (1)
- Initial cost, measured in monetary units. 
- Depreciation rate, no unit.
- Time, measured in years. 
- Current value of the cell phone, measured in monetary units. 
and 
, then the exponential decay function that represents the situation is:
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A cell phone costs $750 and loses 28% of its value each year. Write an exponential decay function to...
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