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