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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

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

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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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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