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. $380
B. $630
C. $480
D. $530
Answer: D
Mathematics
You might also like to view...
Which of the graphs shows the solution of the given initial value problem?
= 4x, y = 4 when x = 1
A. 
B. 
C. 
D. 
Mathematics
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Mathematics
Find the exact function value.sin-1
A. 
B. - 
C. - 
D. 
Mathematics
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(3, 2); slope: - 
A. y = - 
x - 
B. y = - 
x - 
C. y = - 
x + 
D. y = - 
x + 
Mathematics