Use the graph to complete the identity.cos 3x cos 
x + sin 3x sin 
x = ? 
A. y = cos y = cos 
x
B. y = cos 
x
C. y = sin y = cos 
x
D. y = sin y = cos 
x
Answer: B
Mathematics
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Find the function.Find the function that is finally graphed after the following transformations are applied to the graph of 
The graph is shifted right 3 units, stretched by a factor of 3, shifted vertically down 2 units, and finally reflected across the x-axis.
A. y = -3|x - 3| - 2 B. y = -(3|x + 3| - 2) C. y = 3|-x - 3| - 2 D. y = -(3|x - 3| - 2)
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Find the complete solution of the system.  figure 1.png)
What will be an ideal response?
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