Complete the identity.cos 
= ?
A. - 
(cos x + sin x)
B. 
(-
cos x + sin x)
C. 
(cos x - sin x)
D. - 
(cos x - sin x)
Answer: B
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Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
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