The number of online buyers in Western Europe is expected to grow steadily in the coming years. The function below for 1  t  9, gives the estimated buyers as a percent of the total population, where t is measured in years, with t = 1 corresponding to 2001. P(t) = 28.7 + 14.92 ln(t) (a) What was the percent of online buyers in 2001 (t = 1)?How fast was it changing in 2001? (b) What is the percent of online buyers expected to be in 2006 (t = 6)? How fast is it expected to be changing in 2006?

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.