Suppose the Quantity Demanded Weekly of the Super Titan Radial

question 155

Short Answer

Suppose the quantity demanded weekly of the Super Titan radial tires is related to its unit price by the equation , where p is measured in dollars and x is measured in units of a thousand. How fast is the quantity demanded changing when x = 13, p = 72, and the price/tire is increasing at the rate of $7/week? Round the answer to the nearest integer. Dropping at the rate of __________ tires/wk.

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