It is known that the quantity demanded of a certain make of portable hair dryer is x hundred units/week and the corresponding wholesale unit price is
?
?
dollars. Determine the consumers' surplus if the wholesale market price is set at $20/unit. Round your answer to the nearest dollar.
?
A. $3,114
B. $3,438
C. $3,656
D. $3,579
Answer: B
Mathematics
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Solve the inequality and graph the solution set.
< 1
A. 
B. 
C. 
D. 
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Determine the real solutions to the system of nonlinear equations.y2 + 3x2 = 37y2 - x2 = 1
A. (3, 
), (3, -
)
B. (3, 
), (3, -
), (-3, 
), (-3, -
)
C. (4, 
), (4, -
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D. (4, 
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Establish the identity.1 + 
sin(2?) = 
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