Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is
when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?
A. $53,045
B. $424,360
C. $106,090
D. $212,180
Answer: A
Mathematics
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Use trial and error to factor the trinomial, or state that the trinomial is prime.9z2 + 6z - 8
A. prime B. (9z - 2)(z + 4) C. (3z - 2)(3z + 4) D. (3z + 2)(3z - 4)
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Solve the problem.Find the image of the given figure under a reflection across the mirror line m.
A. 
B. 
C. 
D. 
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Use the given information to find the exact value of the trigonometric expression.sin ? = - 
; 
< ? < 2?
Find cos(2?).
A. 
B. - 
C. 
D. - 
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Find the composite function for the given functions and state the domain. g ? f for f(x) = x3 + 4 and g(x) = 
A. x
B. 
C. x3
D. -x
Mathematics