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Suppose that a company's sales volume y (in thousands of units) is related to its advertising...

Suppose that a company's sales volume y (in thousands of units) is related to its advertising expenditures x (in thousands of dollars) according to the following.

xy − 48x + 16y = 0

Find the rate of change of sales volume with respect to advertising expenditures when

x = 16

(thousand dollars).

Math   Calculus   
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