Suppose US

Multiple Choice

Suppose U.S. factory sales of electronic goods to dealers from 1990 through 2001 can be modeled by the equation Sales billion dollars
Where x is the number of years since 1990. Use a definite integral to approximate, to four decimal places, the average value of U.S. factory sales of electronic goods to dealers from 1990 through 2001.

A) 65.3150 billion dollars
B) 67.8439 billion dollars
C) 69.9610 billion dollars
D) 66.4599 billion dollars
E) 70.6117 billion dollars