Solve the equation.
x = 512
A. 
B. {3}
C. 
D. {-3}
Answer: D
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Solve the problem.A company that produces bicycles has costs given by the function 
, where x is the number of bicycles manufactured and C(x) is measured in dollars. The average cost to manufacture each bicycle is given by 
(x) = 
.What is the horizontal asymptote for the function 
? Describe what this means in practical terms.
A. y = 20; $20 is the least possible cost for producing each bicycle. B. y = 25,000; $25,000 is the least possible cost for running the company. C. y = 20; 20 is the minimum number of bicycles the company can produce. D. y =25,000; 25,000 is the maximum number of bicycles the company can produce.
Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of 
in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Solve the problem.How many liters of a 20%-alcohol solution must be mixed with 20 liters of a solution that is 80% alcohol to get a solution that is 40% alcohol?
A. 60 L B. 40 L C. 6 L D. 4 L
Graph the inequality.y + 5 < x
A. 
B. 
C. 
D. 