Determine whether the positive or negative sign makes the equation correct.cos (11?/6) = ±
A. Negative sign
B. Positive sign
Answer: B
Mathematics
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Simplify.
A. -31
B. -32
C. -33
D. -34
Mathematics
Match the description with the appropriate rational function.The y-axis is its vertical asymptote.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Mathematics
Simplify the expression.
 figure 1.png)
 figure 2.png)
Mathematics
Solve the problem.A publishing company estimates the revenue from the sale of a popular book by the rational function 
where x is the number of years since publication and R(x) is the total revenue in millions of dollars. Find the total revenue at the end of the third year.
A. $670 million B. $720 million C. $760 million D. $750 million
Mathematics