Question: Food bank usage in Britain has grown dramatically over the past decade. The number of users, in thousands, of the largest bank is estimated to

Food bank usage in Britain has grown dramatically over the past decade. The number of users, in thousands, of the largest bank is estimated to be N(t) = 1.3(2.25)t , where t is the number of years since 2006.
(a) At what rate is the number of food bank users changing at time t? Give units.
(b) Does this rate of change increase or decrease with time?

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