Use transformations to graph the function.y = 2 cos (? - x)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify the given expression using the definition for negative exponents. Assume that all variables represent nonzero numbers.x-2
A. 
B. x2
C. 
D. 2x
Mathematics
Identify the group of terms as like or unlike.4z, -8z
A. Unlike B. Like
Mathematics
Perform the indicated operation. 
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.sin
A. 
B. 1
C. 0
D. 
Mathematics