easy · Enhanced ACT math

A biologist models a bacterial population using the equation P(t) = 1,000(1.12)^t, where t is the time in hours.

Which statement best describes the growth of this population?

  1. The population increases by 112 bacteria every hour.
  2. The population increases by 12% each hour.
  3. The population grows by 1.12% every hour.
  4. The population doubles every 12 hours.

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