Question: DVD SALES The total number of DVDs sold to U.S. dealers for rental and sale from 1999 through 2003 grew at the rate of approximately
R(t) = -0.03t2 + 0.218t - 0.032 (0 ≤ t ≤ 4)
Billion units/year, where t is measured in years, with t 0 corresponding to 1999 .The total number of DVDs sold as of 1999 was 0.1 billion units.
a. Find an expression giving the total number of DVDs sold by year t(0 ≤ t ≤ 4)
b. How many DVDs were sold in 2003?