Write the inequality using interval notation, and illustrate the inequality using the real number line.t ? 2
A. [2, ?]
B. [2, ?)
C. (2, ?)
D. (2, ?]
Answer: B
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Find an expression equivalent to the given expression.
cosh u, where u is a function of x
A. sinh u 
B. sinh u
C. -sinh u 
D. cosh u 
Solve the problem.The diagram below shows a rope connecting the top of a pole to the ground. The rope is 21 yd long and touches the ground 17 yd from the pole. How tall is the pole? Round your answer to the nearest thousandth if necessary. 
17 yd
A. 12.329 yd B. 6.165 yd C. 19 yd D. 76 yd
Solve the problem.A private airplane leaves an airport and flies due east at 190 mph. Two hours later, a jet leaves the same airport and flies due east at 342 mph. When will the jet overtake the plane?
A. 2
hr
B. 
hr
C. 4
hr
D. 1
hr
Find all cube roots of the complex number. Leave answers in trigonometric form.125i
A. 5 cis 30°, 5 cis 150°, 5 cis 270° B. 5 cis 60°, 5 cis 180°, 5 cis 300° C. 1, -1, -i D. 5 cis 0°, 5 cis 120°, 5 cis 240°