Question

A company finds that it's daily sales begin to fall after the end of an advertising campaign and the decline is such that the number of sales is 3000(3.5-⁰.¹²t) where t is the number of days after the campaign ends. If the company does not want sales to drop below 650 per day ,after how many days should it start a new campaign

Answer 1

Answer:

sorry but i dont know this answer

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