Find the area of the specified region.Inside the outer loop and outside the inner loop of the limacon r = 8 cos ? - 4
A. 
(4? - 3
)
B. 16(? + 3
)
C. 8(4? + 3
)
D. 8(2? - 3
)
Answer: B
Mathematics
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Use the information below to determine the cardinality of the set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}n(U)
A. 13 B. 11 C. 12 D. 9
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Evaluate the integral.
A. 7?
B. 
?
C. 28?
D. 
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How many license plates can be made using 3 different letters followed by 4 different digits if the first digit cannot be 0 and the letter O is not used? ?
A. 136,080,000 B. 204,120,000 C. 62,596,800 D. 43,817,760 E. none of the above
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Write out the first three terms and the last term of the arithmetic sequence.
A. 4 - 8 + 12 - . . . + 72 B. 8 + 20 + 52 + . . . + 276 C. 8 + 12 + 16 + . . . + 72 D. 4 + 8 + 12 + . . . + 72
Mathematics