At the end of an advertising campaign, weekly sales declined according to the a. The sales at the end of the campaign are $ equation y = 10,000(4-0.06x) dollars, where x is the number of weeks after the end of the campaign. a. Determine the sales at the end of the ad campaign. b. Determine the sales 7 weeks after the end of the campaign. c. Does this model indicate that sales will eventually reach $0? (Round to the nearest cent as needed.) b. The sales 7 weeks after the end of the campaign are $. (Round to the nearest cent as needed.) c. Does this model indicate that sales will eventually reach $0? No Yes

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