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Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet

If f (x) = 2x2 +5/(x-2), complete the following statement: f(6) =