Find the exact value of y, or state that y is undefined.y = cos-1 
A. 
B. 
C. - 
D. 
Answer: D
Mathematics
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Evaluate.
A. 2 B. 12 C. -20 D. -2
Mathematics
Provide an appropriate response.Add the fractions and reduce: 
+ 
A. 
B. 
C. 
D. 
Mathematics
Answer the question or complete the sentence to make a true statement.The sum of three negative numbers will always be a number.
A. Negative B. Positive
Mathematics
Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with 
and 
.
log3 (x6 )+ 
log3(x6 ) - 
log3 x
A. log3 (x7)
B. log3 (x26/9)
C. log3 (x9/2)
D. 
log3 (x12)
Mathematics