Tell whether the points are the vertices of a parallelogram (that is not a rectangle), a rectangle, or neither.(-10, -6), (-8, 4), (7, 9), (4, 1)
A. Parallelogram
B. Rectangle
C. Neither
Answer: C
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Solve the problem.The radius r and height h of a cylinder are changing with time. At the instant in question, 
and 
At what rate is the cylinder's volume changing at that instant?
A. 2.51 cm3/sec B. 1.38 cm3/sec C. 3.52 cm3/sec D. 1.01 cm3/sec
Solve the problem.Assume the total revenue from the sale of x items is given by 
while the total cost to produce x items is 
Find the approximate number of items that should be manufactured so that profit, 
is maximum.
A. 228 items B. 178 items C. 56 items D. 128 items
Provide an appropriate response. Graph sin x, 1 + sin x, and -1 + sin x on the same graph. Compare the graphs. How are they alike and how are they different? Use a graphing calculator.
What will be an ideal response?
The graph of a function f is given. Use the graph to answer the question.What are the x-intercepts?
A. -30, 35 B. -50, -30, 35, 50 C. -30 D. -30, 35, 50