Question

Fruit flies are placed in a half-pint milk bottle with a banana (for food) and yeast...

Fruit flies are placed in a half-pint milk bottle with a banana (for food) and yeast plants (for food and to provide a stimulus to lay eggs). Suppose that the fruit fly population after t days is modeled by

              230

F = ------------------.  

        1 + 56.5e-0.37t

      a. Determine the initial population of fruit flies.   ____________

      b. After how many days will the fruit fly population reach 100?   ____________

      c. What is the maximum number of fruit flies supportable in this situation?   ____________

      d. Find dF/dt. ____________

      e. Use your answer from part d to estimate what the rate of change in the number of fruit flies after 10 days.

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