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Find an expression for online retail sales

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Reference no: EM131637602

Question: ONLINE RETAIL SALES Since the inception of the Web, online commerce has enjoyed phenomenal growth. But growth, led by such major sectors as books, tickets, and office supplies, is expected to slow in the coming years. The projected growth of online retail sales is given by

R(t) = 15.82e-0.176t     (0 ≤ t ≤ 4)

Where t is measured in years with t = 0 corresponding to 2007 and R(t) is measured in billions of dollars per year. Online retail sales in 2007 were $116 billion.

a. Find an expression for online retail sales in year t.

b. If the projection holds true, what will be online retail sales in 2011?

Reference no: EM131637602

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