20 The per capita consumption of breakfast cereal in the US has the following model that appears above C(t) = -0.003t + 0.082t -0.354t + 11 pounds, where t is the number of years since 1990. Decide whether the rate of consumption was changing more rapidly in 2001 or 2011. C'(11) = Ibs/year C'(21) = Ibs/year The rate was changing more rapidly in O 20110 2001.

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