Solve the problem.Between x = 0 and x = 8, the largest value of the expression 
occurs where 
. Of the values of x that satisfy 
, which gives the maximum value of 
?
A. x = 2
B. x = 7
C. x = 6
D. x = 3
Answer: D
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Evaluate or simplify the given expression.cot(csc-1 2x)
A. 
B. 
C. 4x2 - 1
D. 
Solve the problem.A company's annual revenue for the period since 2000 can be modeled by the function 
where R is in millions of dollars and n = 0 corresponds to 2000. Assuming the model accurately predicts future revenue, find the year in which the revenue first exceeds $3.90 million.
A. 2005 B. 2007 C. 2006 D. 2009
Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (0, ±7) and foci (0, ±3)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Use a proportion to solve the problem.In the rectangles below, the ratio of length to width is the same. Find the length of the larger rectangle.
A. 112 ft B. 98 ft C. 91 ft D. 105 ft