Simplify by factoring. Assume that any variable in a radicand represents a positive real number.
A. x2y2
B. x2
C. xy
D. x2y5
Answer: D
Mathematics
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Find the area of the specified region.Shared by the circles r = 2 and r = 4 cos ?
A. 
(2? + 3
)
B. 
?
C. 2?
D. 
(4? - 3
)
Mathematics
The function graphed is of the form y = a sin bx or y = a cos bx, where b > 0. Determine the equation of the graph.
A. y = 4 cos 
B. y = 4 sin (3x)
C. y = -4 sin (3x)
D. y = -4 cos (3x)
Mathematics
Multiply:
Mathematics
Solve the problem.The table lists the amount of emissions of a certain pollutant in millions of tons.
If the amount of emissions is modeled by a function of the form 
where x is the year, estimate the amount of emissions in the year 2025.
A. 43.8 million tons B. 34.0 million tons C. 41.7 million tons D. 38.6 million tons
Mathematics