Add or subtract. Express the answer as a mixed number.
A. 18
B. 19
C. 17
D. 5
Answer: A
Mathematics
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Solve the given inequality (a related function is graphed).
< 0 
A. [-4, 1] B. (-?, -4] ? [1, ?) C. (-4, 1) D. (-?, -4) ? (1, ?)
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Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
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Sketch a graph of the function.
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A point in rectangular coordinates is given. Convert the point to polar coordinates, r > 0.
?
?
A. Polar coordinates: 
B. Polar coordinates: 
C. Polar coordinates: 
D. Polar coordinates: 
E. Polar coordinates: 
Mathematics