Solve the problem.The owner of a video store has determined that the average daily cost, in dollars, of operating the store is given by 
where x is the number of videos rented. Find the cost at the vertex of the parabola (the minimum cost). Round your answer to the nearest dollar.
A. $688
B. $472
C. $832
D. $616
Answer: A
Mathematics
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What part of the object or set of objects is shaded?
A. 
B. 
C. 
D. 
Mathematics
Graph the solution set of the system.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Find the indicated function.The weekly revenue and cost functions for a manufacturer of toys are 
and 
where x denotes the number of toys produced. What is the weekly profit function? Note: Profit = Revenue - Cost.
A. P(x) = -0.0011x2 + 14x + 25,000 B. P(x) = -0.0011x2 + 16x - 25,000 C. P(x) = -0.0011x2 + 14x - 25,000 D. P(x) = -0.0011x2 + 16x + 25,000
Mathematics
Solve the problem.Find all points on the x-axis of a Cartesian coordinate system that are 10 units from the point 
A. (-2, 0) and (18, 0) B. (0, -2) and (0, 18) C. (-6, 0) and (6, 0) D. (0, -6) and (0, 6)
Mathematics