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Mathematics, 07.07.2020 21:01 genyjoannerubiera

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. Suppose also that p and x are both functions of time, measured in days. Find the rate at which x is changing when xequals2, pequals6, and StartFraction dp Over dt EndFraction equals1.5.

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