The number of U.S. households with cable TV subscriptions was 61.8 million in 2009, and it decreased by approximately 1.5 million households for the period 2009€“2014.
a. Complete Table 34 to help find an expression that stands for the number (in millions) of U.S. households with cable TV subscriptions at t years since 2009. Show the arithmetic to help you see a pattern.

b. Evaluate the expression you found in part (a) for t = 5. What does your result mean in this situation?

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Table 34 Numbers of Households with Cable TV Subscriptions Years since 2009 Number (in thousands)