The graph of a function of the form y = A cos (Bx - C) + D or y = A sin (Bx + C) + D where B > 0 is given. Determine the equation of the function represented by the graph.Use y = cos x
A. y = 2 cos 
- 2
B. y = 2 cos 
- 2
C. y = 2 cos 
+ 2
D. y = 2 cos 
+ 2
Answer: D
Mathematics
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