Use the graph to determine 
(if it exists).
A. 0
B. limit does not exist
C. -1
D. 2
E. 4
Answer: C
Mathematics
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cos 
+ cos 
sin 
A. 
B. 
C. 
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A. (x - 2y)2 B. (x - 2y)(x + 2y) C. (x + 2y)2 D. Prime
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A. f(x) = 
B. f(x) = x2
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