Solve the problem.A manufacturer of DVD players has monthly fixed costs of $5500 and variable costs of $50 per DVD player and it sells the DVD players for $150 per unit. Write the function that models the profit P from the production and sale of x DVD players in a month.
A. P = 100x - 5500
B. P = 5500x - 100
C. P = 100x + 5500
D. P = 200x - 5500
Answer: A
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Don, Dale, and Cam buy a carton of neopolitan ice cream that is one-third chocolate, one-third vanilla, and one-third strawberry as shown below. They wish to fairly divide the ice cream using the lone chooser method. Don likes chocolate twice as much as vanilla or strawberry. Dale likes strawberry but no other flavor. Cam, the chooser, likes chocolate and vanilla twice as much as strawberry. In the first division, Don cuts the chocolate piece off and lets Dale choose his favorite piece. Based on that, Dale chooses the vanilla and strawberry parts. Note: All cuts made to the ice cream shown below are vertical.
Which is a second division that Dale would make of his share of the ice cream?
A. Part 1: the vanilla, Part 2: 
of the strawberry, Part 3: 
of the strawberry
B. Part 1: the vanilla and 
of the strawberry, Part 2: 
of the strawberry, Part 3: 
of the strawberry
C. Part 1: 
of the vanilla, Part 2: 
of the strawberry, Part 3: 
of the vanilla and 
of the strawberry
D. Part 1: the strawberry, Part 2: 
of the vanilla, Part 3: 
of the vanilla
E. none of these
Solve the problem.A drug is injected into a patient and the concentration of the drug is monitored. The drug's concentration, 
in milligrams after t hours is modeled by 
Estimate the drug's concentration after 5 hours. (Round to the nearest hundredth.)
A. 1.39 mg B. 0.44 mg C. 1.51 mg D. 0.32 mg
Write the slope-intercept form of the equation for the line passing through the given pair of points.
and 
A. y = 
x + 
B. y = 
x - 
C. y = 
x
D. y = - 
x
Simplify.7log7 (5x)
A. 1 B. 5x C. 7 D. 75x