Question

Onne Ad Spendiang ad spending n O D. Online ad spending for the yoa 2007 oads- tcut online ad spending, in billions of dollars, The bar graph on the right shows a particular country's through 2006 Let an represent online ad spending, in billions of dollars, n years after 1000 Use the graph to the right to answer parts (a) and (t) from 2000 Online Ad Spending Year 2007 ○ C. The average of all ad spending trom 200th rough 2006 O D. Online ad spending for the year 2007 b. The finde sequence whose general term is an -03m2-15n 9, where n -12.3,, 7, models online ad spending, a, in billions of dollars, n years after 199 Use the model to fird Σα, soft Does this underestimate or overestimate the actual sum in part (a)? By how much? ΣΑ-O(Round to the nearest tenth as needed ) l- 1 This value

Answer 1

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