Determine whether the statement is true or false.Let A = {1, 3, 5, 7} B = {5, 6, 7, 8} C = {5, 8} D = {2, 5, 8} U = {1, 2, 3, 4, 5, 6, 7, 8}{6, 5, 8, 7} ? B
A. True
B. False
Answer: A
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Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.Andrea's sleeping bag is designed for camping in temperatures of 15°C or warmer. For what Fahrenheit temperatures is her sleeping bag designed? Round to the nearest tenth of a degree.
A. 23.7° F or warmer B. 84.6° F or warmer C. 59.0° F or warmer D. 52.6° F or warmer
Solve the problem.The function Y(x) = 51.38 ln 
can be used to estimate the number of years Y(x) after 1980 required for a certain country's population to reach x million people. In what year will the country's population reach 13 million?
A. About 2025 B. About 2045 C. About 2035 D. About 2040
Determine the maximum possible number of turning points for the graph of the function.f(x) = (x - 4)(x - 7)(7x + 6)
A. 0 B. 2 C. 7 D. 3
Follow the rules for working with measurements.A technician draws plans for a 
-gallon cylindrical tank with radius 20 ft. What should the height be? (1 ft3 = 7.48 gal)
A. 7.98 ft B. 63.8 ft C. 16 ft D. 31.9 ft E. 319 ft