The following table gives the number I = I(t), in millions of adult Americans with Internet access in year t. t = Year 2000 2003 2009 I = Millions of adult Americans 117 176 206 (a) Find I(2009). I(2009) = million adult Americans Explain what I(2009) means. This means that 499 million adult Americans had Internet access in 2009, This means that 206 adult Americans had Internet access in 2003. This means that 499 American households had Internet access in 2003. This means that 200 million adult Americans had Internet access in 2009. (b) Find the average rate of change per year during the period from 2000 to 2003. (Round your answer to one decimalnia million per year This means that 499 American households had Internet access in 2003. This means that 206 million adult Americans had Internet access in 2009. (b) Find the average rate of change per year during the period from 2000 to 2003. (Round your answer to one decimal place.) million per year (c) Estimate the value of I(2002). (Round your answer to one decimal place.) I(2002) = million Explain how you got your answer. I(2002) + 2 x million