The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by . How fast is the price of the commodity changing at ?
A) Increasing at the rate of $19/wk.
B) Decreasing at the rate of $19/wk.
C) Increasing at the rate of $14/wk.
D) Decreasing at the rate of $14/wk.
E) Increasing at the rate of $5/wk.

Question

The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by  . How fast is the price of the commodity changing at  ?
A) Increasing at the rate of $19/wk. 
B) Decreasing at the rate of $19/wk. 
C) Increasing at the rate of $14/wk. 
D) Decreasing at the rate of $14/wk. 
E) Increasing at the rate of $5/wk.

Quizplus · Accepted Answer

The Answer of The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by  . How fast is the price of the commodity changing at  ?
A) Increasing at the rate of $19/wk. 
B) Decreasing at the rate of $19/wk. 
C) Increasing at the rate of $14/wk. 
D) Decreasing at the rate of $14/wk. 
E) Increasing at the rate of $5/wk.

The Price of a Certain Commodity in Dollars Per Unit