Find the exact values of s in the given interval that satisfy the given condition.[-?, ?); 2 cos2 s = 1
A. - 
, - 
, 
, 
B. - 
, - 
, - 
, - 
C. - 
, - 
, 
, 
D. 
, 
, 
, 
Answer: A
Mathematics
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Determine whether or not the graph is a graph of a function of x.
A. Function B. Not a function
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Solve.The parallelogram has base length 5y5 meters and height 4y6 meters. Find its area as an expression in y. 
A. 9x30 sq m B. 20x11 sq m C. 9x11 sq m D. 20x30 sq m
Mathematics
Simplify.
A. - 
B. - 5
C. - 
D. - 
Mathematics
Answer the question.Which of the following correctly defines a function?
A. A function produces exactly one output for each valid input. B. A function is a relation that transforms input numbers into output numbers. C. A function is a relation for which the range contains only unique values. D. A function is a set of points that can be graphed on a cartesian graph.
Mathematics