Solve the problem.
-Book sales on the Internet (in billions of dollars) in year x are approximated by f(x) = 1.84 + 2.1 · ln x, where x = 0 corresponds to 2000. How much will be spent on Internet book sales in 2008? Round to the nearest tenth.
A) 6.2 billion
B) 6.0 billion
C) 3.9 billion
D) 8.0 billion

Question

Quizplus · Accepted Answer

To find the sales in 2008, we substitute x = 8 (since x = 0 corresponds to 2000, x = 8 corresponds to 2008) into the given function: f(x) = 1.84 + 2.1 · ln x. Therefore, f(8) = 1.84 + 2.1 · ln(8). Calculating this gives approximately 6.2 billion dollars.

Solve the Problem. -Book Sales on the Internet (In Billions of Dollars) in of Dollars)