Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers.
A. -9
B. 15
C. 9
D. -15
Answer: C
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Find the interval of convergence of the series. Select the correct answer.
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Answer the question.In which quadrants do the fourth roots of a complex number lie?
A. The first and third quadrants if the number is real and positive, and the second and fourth quadrants otherwise B. The first and third quadrants if the number is real, and the second and fourth quadrants if the number is not real C. The first and second quadrants if the number is real, and the third and fourth quadrants if the number is not real D. All four quadrants
Match the function with its graph.1) y = sin (x)2) y = cos (x)3) y = -sin (x)4) y = -cos (x)A)B)
?
C)D)
?
A. 1C, 2A, 3B, 4D B. 1B, 2D, 3C, 4A C. 1A, 2D, 3C, 4B D. 1A, 2B, 3C, 4D
Solve the problem. Round your answer to the nearest tenth, if necessary.Bill can row 3 mph in still water. It takes him 3 hr 36 min to go 3 mi upstream and then return. Find the speed of the current.
A. 3 mph B. 2 mph C. 2.5 mph D. 1.5 mph