The average number of fish per square kilometer in a lake is determined by the SDD 400xt 200 +0.2xt Xt+1 where t represents the time in years since the initial observation. (a) car n year 3 we observed 1100 fish per square kilometer. How many fish per kilometer square was there the previous year, in year 2? Give your answer with an accuracy of at least two decimal places. Réponse: *2 (Utiliser le point, pas la virgule, pour séparer les décimales des entiers.) (b) Give the iterative (or generator) function of this SDD. Think about parentheses! Réponse : f(x) =, Теxte (c) Determine the two fixed points (equilibrium points) of the SDD. Give these two points'of equilibrium p1

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