A sales office of a large computer manufacturer received the following number of orders each day over a 20 day period. 28, 28, 45, 70, 66, 33, 41, 50, 43, 90, 38, 72, 91, 68, 51, 40, 45, 65, 81, 75. Determine the range and midpoints. (Hint: divide the group into 10 intervals)
What will be an ideal response?
Range = 63, Midpoints are: 31, 38, 45, 52, 59, 66, 73, 80, 87, 94.
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Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (0, -9), (0, 9);
F: (0, -3), (0, 3)
B. V: (0, -3), (0, 3);
F: (0, - 
) and (0, 
)
C. V: (-3, 0), (3, 0)
F: (- 
, 0), (
, 0)
D. V: (0, 9), (4, 0);
F: (0, 3), (2, 0)
When the graph of directed distance is increasing, what can be said about the graph of velocity?
A. It lies above the horizontal axis. B. It lies below the horizontal axis. C. It lies on the horizontal axis. D. The graph of velocity is increasing.
Find the absolute value.
A. 0
B. - 
C. 
D. 
Solve.A rectangular box with volume 517 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base in feet. Express the cost of the box as a function of x and then graph this function. From the graph find the value of x, to the nearest hundredth of a foot, which will minimize the cost of the box.
A. 8.79 feet B. 8.49 feet C. 8.83 feet D. 8.91 feet