Find an algebraic expression for the given expression.cot(csc-1 2x)
A. 
B. 
C. 
D. 4x2 - 1
Answer: B
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Determine whether S defines a function.S = {(-2, 5), (2, -7), (6, -4), (8, -8), (11, 7)}
A. No B. Yes
Write the following in scientific notation.120
A. 1.2 × 101 B. 1.2 × 102 C. 1.2 × 103 D. 1.2 × 10-2
Solve.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 5-m beam can support 430 kg. How many kilograms can a 1-m beam support?
A. 0.0005 kg B. 86 kg C. 2150 kg D. 0.0116 kg
Solve the problem.The battleship USS Tennessee is 50 miles due south of the destroyer USS Alaska and is sailing north at 40 mph. If the USS Alaska is sailing east at 25 mph, how long will it be before the distance between the ships is at a minimum? Express your answer in hours and minutes, rounded to the nearest minute.
A. 53 minutes B. 1 hour 26 minutes C. 41 minutes D. 2 hours 5 minutes