Find the limit and determine if the function is continuous at the point being approached.
cos (5x - cos 5x)
A. Does not exist; no
B. Does not exist; yes
C. 0; no
D. 0; yes
Answer: D
Mathematics
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At what point is the following function a local maximum?
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Simplify.
? 
A. 
B. 
C. 
D. 
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Solve the system of equations using elimination.
A. x = 1, y = 3; x = -1, y= -3 B. x= 1, y = 3; x = 1, y = -3; x = -1, y = 3; x = -1, y = -3 C. x = 2, y = -3; x = -2, y = 3 D. x = 2, y = 3; x = 2, y = -3; x = -2, y = 3; x = -2, y = -3
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Answer the question.Three vertices of a rectangle are (-7, -6), (-3, -6), and (-3, 8). What are the coordinates of the fourth vertex?
A. (-7, 8) B. (-6, -7) C. (8, -7) D. (8, -3)
Mathematics