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 = 73, and the price/tire is increasing at the rate of $6/week?
A) Dropping at the rate of 278 tires/wk.
B) Dropping at the rate of 231 tires/wk.
C) Dropping at the rate of 226 tires/wk.
D) Dropping at the rate of 268 tires/wk.

Question

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 = 73, and the price/tire is increasing at the rate of $6/week?
A) Dropping at the rate of 278 tires/wk. 
B) Dropping at the rate of 231 tires/wk. 
C) Dropping at the rate of 226 tires/wk. 
D) Dropping at the rate of 268 tires/wk.

Quizplus · Accepted Answer

The Answer of 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 = 73, and the price/tire is increasing at the rate of $6/week?
A) Dropping at the rate of 278 tires/wk. 
B) Dropping at the rate of 231 tires/wk. 
C) Dropping at the rate of 226 tires/wk. 
D) Dropping at the rate of 268 tires/wk.

Suppose the Quantity Demanded Weekly of the Super Titan Radial