The sales decay for a product is given by S = 70,000e−0.1x, where S is the weekly sales (in dollars) and x is the number of weeks that have passed since the end of an advertising campaign. _____________ How many weeks will pass before sales drop below $15,000? (Round your answer down to the nearest week.) 2 weeks

Algebra & Trigonometry with Analytic Geometry
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Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
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The sales decay for a product is given by

S = 70,000e−0.1x,

where S is the weekly sales (in dollars) and x is the number of weeks that have passed since the end of an advertising campaign.

_____________

How many weeks will pass before sales drop below $15,000? (Round your answer down to the nearest week.)
2 weeks
 
_____________
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