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A biology class at Central High School predicted that a local population of animals will double in size every 1212 years. The population at the beginning of 20142014 was estimated to be 5050 animals. If PP represents the population nn years after 20142014, then which of the following equations represents the class’s model of the population over time?\newlineA) P=12+50nP = 12 + 50n\newlineB) P=50+12nP = 50 + 12n\newlineC) P=50(2)12nP = 50(2)^{12n}\newlineD) P=50(2)n12P = 50(2)^{\frac{n}{12}}

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Q. A biology class at Central High School predicted that a local population of animals will double in size every 1212 years. The population at the beginning of 20142014 was estimated to be 5050 animals. If PP represents the population nn years after 20142014, then which of the following equations represents the class’s model of the population over time?\newlineA) P=12+50nP = 12 + 50n\newlineB) P=50+12nP = 50 + 12n\newlineC) P=50(2)12nP = 50(2)^{12n}\newlineD) P=50(2)n12P = 50(2)^{\frac{n}{12}}
  1. Identify Population and Growth Rate: Identify the initial population and the growth rate.\newlineInitial population aa = 5050.\newlineThe population doubles every 1212 years, so the growth factor bb is 22 every 1212 years.
  2. Convert to Annual Growth Factor: Convert the growth rate to an annual growth factor.\newlineSince the population doubles every 1212 years, the annual growth factor is 21/122^{1/12}.
  3. Write Exponential Growth Equation: Write the exponential growth equation.\newlineThe population PP after nn years from 20142014 can be modeled by P=50(2n/12)P = 50(2^{n/12}).

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