MAT102H5 Exam Solutions Fall 2018: Multiplication Table, Commutative Property, Additive Inverse

In 2004, approximately 5 million cars and trucks were classified as flex-fuel, which meals they could run on gasoline or ethanol. In 2009, that number increased to about 8 million. How many more cars and trucks were flex-fuel in 2009?

Sales of portable MP3 players grew approximately exponentially from $0.09 billion in 2000 to $1.17 billion in 2005. Predict the sales of MP3 players in 2009. The sales of MP3 players in 2009 is $ billion. (Type an integer or a decimal. Round the final answer to one decimal place as needed. Round all intermediate values to three decimal places as needed.)

The number of viewers of a weekly TV newsmagazine show, introduced in the 2009 season, has been increasing at the rate of 1/3 (1t6) million viewers/year in its tth year on the air where t corresponds to 2009. The number of viewers of the program during its first year on the air is given by 9(7/2)2/3 million. Find how many viewers were expected in the 2014 season. (Round your answer to one decimal place.) million viewers