Suppose that a company's daily sales volume attributed to an advertising campaign is given by 56 S(t) 8 t + 7 +6 (t+7)² (a) Find how long it will be before sales volume is maximized. t = days

College Algebra (MindTap Course List)
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ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
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Chapter4: Polynomial And Rational Functions
Section4.1: Quadratic Functions
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Suppose that a company's daily sales volume attributed to an advertising campaign is given by the following equation.
8
56
S(t) =
+ 6
t + 7
(t+7)²
(a) Find how long it will be before sales volume is maximized.
t =
days
(b) Find how long it will be before the rate of change of sales volume is minimized. That is, find the point of
diminishing returns.
t =
days
Transcribed Image Text:Suppose that a company's daily sales volume attributed to an advertising campaign is given by the following equation. 8 56 S(t) = + 6 t + 7 (t+7)² (a) Find how long it will be before sales volume is maximized. t = days (b) Find how long it will be before the rate of change of sales volume is minimized. That is, find the point of diminishing returns. t = days
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