billions at year t is w. They follow the f he+s 2he-4. +1 0.5y +1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Assume that the population size of honey bees in billions at year t is hy, and the population size of wild bees in billions at year t is uy. They follow the following recursive relationship:

ht +1 = 2he - 4, ut +1 = 0.5ut + 1 EQUATIONS ARE IN IMAGE

Currently, there are 5 billion honey bees (ho = 5) and 10 billion wild bees (wo = 10).

  1. Find an explicit formula for the population of honey bees.
  2. Find an explicit formula for the population of wild bees.
  3. What will be the population of wild bees in a long run (as t → ∞).
  4. If each honey bee can pollinate 1000 plants annually and wild bees pollinate 2000 plants
    each year, how many plants will be pollinated in billions in the current year (f = 0), and after 2
    years (t = 2)? Compare the results and assess whether the pollination rate is likely to decrease in
    the near future or not.
billions at year t is w. They follow the f
he+s 2he-4.
+1 0.5y +1
Transcribed Image Text:billions at year t is w. They follow the f he+s 2he-4. +1 0.5y +1
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