Help!--Algebra II Review--Power Functions and Exponential Equations
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12 terms
Terms | Definitions |
|---|---|
 y=ab^x | exponential function (model) |
| y=ab^(x-h)+k | transformation for an exponential functions |
| y=ax^b | power function |
| y=a(1+r)^t | exponential growth models |
| A=P(1+r/n)^nt | compound interest |
| A | Amount in the account after t years |
| P | Principal amount (initial investment) |
| r | The annual rate of interest (express as a decimal) |
| n | Number of times the account compounds (how often it is earning interest) |
| t | Time (in years) |
| y=a(1-r)^t | exponential decay models |
| A=Pe^rt | Continuously Compounded Interest (involves the natural base, e) |
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