[填空题]
A population of 40 rabbits ar 3 (:byde,-ipgmv8iuf zef x3,e brougl81 ca9fb-utw ht to an island at the end of December, 2018.8b t1fw cl-au9 The population, P, of rabbits on the island can be modelled by the logistic function
P(t)$\frac{M}{1+Ce^{-0.3t}}$=,wheret is the number of months that have passed since New Year Eve 2019.
After 12 months, the population of rabbits on the island is increased to 1423.
1.Find the value of M and the value of C. M ≈
2.Write down the largest population of rabbits that the island will ever be able to accommodate.
3.Hence calculate the number of months it takes for the population of rabbits to reach half of its largest population. t = months
