Find the polar coordinates, 
and 
, of the point given in Cartesian coordinates.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
At the break-even point both cost and revenue are what?
A. $750 B. $1500 C. $2250 D. $2700
Mathematics
Find the domain of the function.y = 
A. 
B. 
C. 
D. (-?, ?)
Mathematics
Sketch a graph of f.f(x) = (x + 5)2
A. 
B. 
C. 
D. 
Mathematics
Multiply. Write your answer in the form a + bi.(7 - 9i)(8 - 3i)
A. 29 + 93i B. 83 - 51i C. 29 - 93i D. 27i2 - 93i + 56
Mathematics