How fast is the cost of digin shovels shovels increasing

Reference no: EM131015482

Taking a 3.3% rate of inflation into account, the cost of DigIn brand snow shovels is given by c(t) = 1.033t[0.8 sin(2πt + 10.2] where t is time in years since January 1, 2002. How fast, in dollars per week, is the cost of DigIn shovels increasing on January 1, 2005?

Reference no: EM131015482

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