medium · SAT Math

A colony of insects has a population of 500 at time t = 0 days, and the population increases by 8% each day.

Which of the following equations gives the population P as a function of the number of days t?

  1. P = 500(1.008)^t
  2. P = 500(1.08)^t
  3. P = 500(0.08)^t
  4. P = 500 + 40t

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