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 $13/wk.
B) Increasing at the rate of $19/wk.
C) Decreasing at the rate of $19/wk.
D) Increasing at the rate of $6/wk.
E) Decreasing at the rate of $13/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 $13/wk. 
B) Increasing at the rate of $19/wk. 
C) Decreasing at the rate of $19/wk. 
D) Increasing at the rate of $6/wk. 
E) Decreasing at the rate of $13/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 $13/wk. 
B) Increasing at the rate of $19/wk. 
C) Decreasing at the rate of $19/wk. 
D) Increasing at the rate of $6/wk. 
E) Decreasing at the rate of $13/wk.

The Price of a Certain Commodity in Dollars Per Unit