Find the sum.
A. 55
B. 13
C. 42
D. 22
Answer: A
Mathematics
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Use the information below to determine the indicated set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13}(A ? B') ? (B ? A')
A. { } B. {2, 4, 10, 12} C. {2, 4, 7, 9, 10, 12} D. {7, 9}
Mathematics
Find the distance between the planes.
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Mathematics
Find the domain and the range of the function.
A. D: (-?, ?); R: [0, ?)
B. D: (-?, 1) ? (1, ?); R: (-?, 0) ? (0, ?)
C. D: (-?, 
); R: (-?, 0]
D. D: (-?, 1]; R: [0, ?)
Mathematics
Use a calculator to find a decimal approximation for the indicated function value. Round your answer to four decimal places.cos (-4.56)
A. 0.1518 B. 0.0035 C. -0.0035 D. -0.1518
Mathematics