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The Price of a Certain Commodity in Dollars Per Unit

Question 178

Multiple Choice

The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by ​ 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. .

How fast is the price of the commodity changing at 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. ?


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.

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