Simplify the expression. Assume that all variables are positive.
-1/2
A.
 ? |
B.
 ? |
C.
 ? |
D.
 ? |
Answer: D
Mathematics
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Find the exact value of the expression or state that it does not exist.cos-1
A. 
B. 
C. 
D. 
Mathematics
Solve the system.
A. {(6, 5), (5, 6)} B. {(-6, -5), (-5, -6)} C. {(-6, 5), (-5, 6)} D. {(6, -5), (5, -6)}
Mathematics
Multiply and simplify.13 ? 
A. 104
B. 
C. 
D. 
Mathematics
Answer the question.How can the graph of f(x) = 
- 2 be obtained from the graph of y = 
?
A. Shift it horizontally 3 units to the right. Stretch it vertically by a factor of 2.
B. Shift it horizontally 3 units to the left. Shift it 2 units down.
C. Shrink it horizontally by a factor of 
. Shift it 2 units down.
D. Shift it horizontally 3 units to the left. Shift it 2 units up.
Mathematics