Evaluate or simplify the given expression.cos(2 sin-1 x)
A. 1 - x2
B. 2x2 + 1
C. 1 - 2x2
D. 1
Answer: C
Mathematics
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Solve the inequality. Write the solution set in interval notation.
? 
- 
A. [-2, ?)
B. 
C. (-?, -2]
D. (-?, 2]
Mathematics
Calculate the circulation of the field F around the closed curve C.F = x3y2i + x3y2j; curve C is the counterclockwise path around the rectangle with vertices at 
, and 
A. 0 B. - 9 C. -108 D. 153
Mathematics
Determine whether the specified paradox occurs.A small country consists of seven states; there are 160 seats in the legislature that need to be apportioned among the seven states; and the population of each state is shown below for the years 1990 and 1995. 
Does the population paradox occur using Hamilton's method of apportionment?
A. Yes B. No
Mathematics
Multiply.(-8)(3)(-8)
A. -192 B. -202 C. 202 D. 192
Mathematics