The local government is concerned with the population of a new predatory fish, the tiger gar, which was first observed in Lake Richmond about 5 years ago. The following table shows the approximate number of tiger gars living in the lake since 2016: 2016 2017 2018 2019 2020 2021 340 410 487 585 710 846 The initial value of tiger gar recorded in the lake is

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