Question: A store finds that its sales revenue changes at a rate given by S'(t)= - 30t2 + 360t dollars per day Where t is the

A store finds that its sales revenue changes at a rate given by S'(t)= - 30t2 + 360t dollars per day Where t is the number of days after an advertising campaign ends and ≤ t ≤ 30
(a) Find the total sales for the first week after the campaign ends (t=0 to t=7).
(b) Find the total sales for the second week after the campaign ends (t=7 to t=14).

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