The profit earned when n items are produced is given by the function 
. If increasing production will result in a decrease in profits, what can be said about marginal profit 
?
?
A. is positive.
B. is negative.
C. is zero.
D. is linear.
Answer: B
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Solve the problem.Find the vector from A to the midpoint of BC.A = (4, -6, 9), B = (2, 4, 3), C = (-9, 7, -3)
A. 
B. 
C. 
D. 
Find the indicated probability. Round your answer to 6 decimal places when necessary.One card is selected from a deck of cards. Find the probability of selecting a black card or a queen.
A. 
B. 
C. 
D. 
Plot the curve of the given polar equation in polar coordinates.r = 
A. 
B. 
C. 
D. 
Use the preference table to answer the question.Diners at the Taste of Paris restaurant answer a questionnaire about their favorite course in a French meal. The choices are: Appetizer (A), Entree (E), and Dessert (D). Their votes are summarized in the following table.
Which course is selected as the most favorite using the plurality method?
A. Dessert B. Appetizer C. Entree