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 = 10, p = 67, and the price/tire is increasing at the rate of $4/week?
A) Dropping at the rate of 189 tires/wk.
B) Dropping at the rate of 166 tires/wk.
C) Dropping at the rate of 237 tires/wk.
D) Dropping at the rate of 200 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 = 10, p = 67, and the price/tire is increasing at the rate of $4/week?
A) Dropping at the rate of 189 tires/wk. 
B) Dropping at the rate of 166 tires/wk. 
C) Dropping at the rate of 237 tires/wk. 
D) Dropping at the rate of 200 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 = 10, p = 67, and the price/tire is increasing at the rate of $4/week?
A) Dropping at the rate of 189 tires/wk. 
B) Dropping at the rate of 166 tires/wk. 
C) Dropping at the rate of 237 tires/wk. 
D) Dropping at the rate of 200 tires/wk.

Suppose the Quantity Demanded Weekly of the Super Titan Radial