The Price of a Certain Commodity in Dollars Per Unit

question 117

Multiple Choice

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.

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